This was only a small company with several years of low profit but now it has changed a lot.

A. This used to be only a small company with several years of low profit.

B. This used to have only a small company with several years of low profit.

C. This used be only a small company with several years of low profit.

D. This uses to be only a small company with several years of low profit.

E9- TĐ- Unit 4 (1)