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：句意：所有的其他的人似乎都认识我开始感觉给冷落了。A. given away 放弃，泄密； B. left out忽视，冷落； C. turned down拒绝； D. fallen behind落后。根据句意故选B。