单选题 ______ he comes from a wealthy family, he doesn't seem very happy.
A. Though B. When
C. If D. However

【正确答案】 A
【答案解析】[解析] 空格处应该填入使前部分和后部分两个相反的内容联系起来的连词,所以表示“即使……”意义的让步连词A项Though最合适。
词汇:come from…出身于,来自于/wealthy富裕的