单选题
________of recent political developments, he was taken by surprise upon his arrival in the capital.
【正确答案】
C
【答案解析】形近识别。unexpected想不到的,意外的,突然的(形容词);unacquainted不熟悉的,不知道的(形容词);be unaware of不了解,不明白,没注意;(unaware用作表语形容词);如:be unaware of the truth不明真相;unknowing不知道的,没察觉的(of);因此C为答案。