题目内容：

Why is Sam's mother worried about him.______he is always______the bad boys
.A.As;influenced by
B.Because;;influenced with
C.Because;influenced by
D.Since;influenced by

优质解答

选C回答why 用Because 排除A和D有因为 be influenced 受影响 表示被动 所以用byWhy is Sam's mother worried about him.Because he is always influenced by the bad boys为什么是山姆的母亲很担心他.因为他总是受到...