It can be learned from paragraph 4 that
A. Straitford's prediction about Ukraine has proved true.
B. Straitford guarantees the truthfulness of its information.
C. Straitford's business is characterized by unpredictability.
D. Straitford is able to provide fairly reliable information.
第1题:
[A] on
[B] from
[C] at
[D] about
第2题:
第3题:
第4题:
第5题: