Choose the right description of the part of sentence underlined． (选出对句子画线部分结构描述正
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Choose the right description of the part of sentence underlined．
(选出对句子画线部分结构描述正确的选项。)
I wonder if it is because I haven’t been able to be outdoors for so long that I've grown so crazy about everything to do with nature
[]A．宾语
B．表语
C．状语
试题答案
答案：B
解析：本句是由because引导的表语从句表示原因。