Bao Chau hasn't bought any books for three years A. The last time Bao Chau
Bao Chau hasn't bought any books for three years.
A. The last time Bao Chau bought books was three years ago.
B. It's three years since Bao Chau started to buy books.
C. This is the first time Bao Chau has ever bought books for three years.
D. Bao Chau last bought books for three years.