All the others seemed to know each other and I began to feel .
A. given away
B. left out
C. turned down
D. fallen behind
网友回答
A. given away
(答案→)B. left out
C. turned down
D. fallen behind
解析：
试题分析:考查动词短语辨析。A赠送，泄露；B剩下；C拒绝，调低；D落后。根据情理可知别人都彼此熟悉，而只有”我”不认识别人，所以”我觉”得孤立，故答案为B。句意：其他所有的人似乎都彼此认识，我开始感到有点受到冷落了。