蝌蚪变态是尾巴消失属一种。（）

A、自然脱落过程

B、坏死过程

C、凋亡过程

D、其它

In the 18th century many British politicians favored friendship with Prussia because they thought that the Prussian army was () to the British navy.

A. complimentary

B. complicated

C. complementary

D. comprehensive