考博考试

【单选题】 When we were in the mountains, we often found ourselves entirely enveloped by the fog.
A．confined
B．surrounded
C．darkened
D．blocked

网考网参考答案：B
网考网解析：
confine限制。surround包围，环绕。darken使变暗。block封锁，阻塞。envelope封袋，包膜。 查看试题解析出处>>