Выберите правильное время глагола, present perfect or past simple a) I have read/read a lot of books when i was at…

A) I have read a lot of books when I was at school. — Present Perfectb) Have you seen any films recently? — Present Perfectc) I have done a lot of stupid things in my life. — Present Perfectd) I have bought a new car. — Present Perfectили I bought a new car. — Past Simple