The U.S.A. makes a lot of excuses in an attempt to make war on Iran. However, its ________ purpose lies in the a--bundant oil there.

1. A.
   logical
2. B.
   fundamental
3. C.
   accurate
4. D.
   common

The U.S.A. makes a lot of excuses in an attempt to make war on Iran, however, its _________   purpose lies in the abundant oil there.

A．logical      B．fundamental     C．accurate   D．common