PART III LANGUAGE USAGE [10 MIN] There are twenty sentences in this section. Beneath each sentence there are four options marked A, B, C and D. Choose the one that best completes the sentence or answers the question. Mark your answers on ANSWER SHEET TWO. 11. The Bent Pyramid outside Cairo ______ ancient Egypt’s first attempt to build a smooth-sided pyramid.

A. has been believed to have been
B. was believed to be
C. is believed to have been
D. is believed to be