Point to the sentence with defining relative clause:

Варианты ответа

1. A.Monday, when I had a day off, was the last day when I saw Jane.
2. B.February, which is my birthday month, lasts 29 days this year.
3. C.My cousin, whose cat I'm looking after, is visiting a friend in Australia.
4. D.Her sister, who is the best friend of mine, works at school.
5. E.This is the video that I wanted to show you.верно