Mark the proper form of the participle: Begaim asked to excuse her for able to get in touch with me. a) not to have being б) not to be B) not being r) not having been

Travelling is very popular nowadays. a lot of people travel to different countries if they have such opportunity. travelling allows you to get interesting experience, learn about people’s life in other countries and continents. i think it is very interesting to discover new things, new places and different ways of life. while on travel, you meet new people, try different meals; see world famous places with your own eyes. these are many ways of traveling — by train, by plain, by ship, on foot. if you want to visit a far country, you’ll definitely choose a flight. if your aim is to see many countries for a short time, you’ll choose travelling by bus or by car. if you want to be closer to nature, you may choose a trip on foot. lots of people nowadays live in big cities. so it’s natural that they want to have a holiday by the sea or in the mountains with nothing to do but relaxing. there is other sort of travellers. they want to visit as many countries as possible. so after exploring europe and north america they go to exotic countries. people who travel a lot, are very interesting, they always have a good story to tell. thanks to them you can learn many things which you didn’t know before. they motivate to see something new, to explore the world, which is so easy to do nowadays. any kind of travel helps you to understand many things that you would never see or learn at home. as english people say — a picture is worth a thousand words. and i totally agree

I recently watched a short news report about a study in a chinese university where they tried to find out whether men are more vain than women. The researchers made appointments with their subjects to be interviewed and each has to wait in a waiting room before being interviewed. In each room there is a one way mirror where researchers can video tape the subject's action without being seen. In that study, men looked at themselves in the mirror more than the women. 

Could men be more vain than women?