The new law has come into effect, and ________ number of wild animals here is on ________increase

now. [ ]

A. the; the  

B. a; the

C. the; /  

D. a; /

静水内部任一点上的静水压强的大小，只与水面压强和（）有关。

A.该点在水面以下的深度

B.水位

C.水面面积

D.受压面面积