39 There is a mounting pressure on public lands to satisfy US energy demands_____.

A many Americans are unhappy with energy development in foreign countries.

B quite a few public lands are banned for energy development.

C the U.S. is demanding more and more energy.

D many Americans think public lands are being abused.

A for

B on

C without

D in

A But

B Therefore

C In contrast

D On the other hand

A break up

B break into

C break through

D break away from