Choose the best answer to complete the sentence.I _______ of buying new bicycle for my son. He ______ an old one since he was in secondary school. I _____ it several times.

A. have thought/ has been using/have been fixing

B. have thought/ has been used/have fixed

C. have been thinking/ has been úsing/have fixed

D. have been thinking/ has used/have been fixing

ok vk