The Proposed Purchase of Unocal by the Chinese National Oil

The proposed purchase of Unocal by the Chinese national oil company was opposed by the U.S. ___.

A) because the offer was unrealistically low
B) as retaliation for not allowing similar purchases in China by American firms
C) because Germany had proposal a high offer
D) as a threat to United States' sovereignty
E) because China could divert oil from Unocal to China