He took care of the boy ________ he were his own son.

He took care of the boy ________ he were his own son. (Unit10-9)
A. become?B. as though?C. for?D. even though
为什么选B不选其它？其它选项是什么意思呢？请分析一下语境。

If he took better care of his money, he will be less likely to lose it. He took care of the boy ________ he were his own son. Shara was a strict but good teacher,__who unusually,took care of the students at school. HE LOST ALL OF THE MONEY WHICH HE TOOK WITH HIM IN THE BUSINESS He took a sip of water and continued____ the newspaper.(reading/read) He has no one to take care of.分析这个句子.谢谢. He took some pictures_____his family. care of的用法 take care of yourself take care of