When I met Daniel at the station the first time he was in the waiting hall .A. for; alo

问题补充：

When I met Daniel at the station the first time, he was in the waiting hall .

A. for; alone

B. at; alone

C. for; himself

D. at; by himself

答案：

(答案→)A. for; alone

B. at; alone

C. for; himself

D. at; by himself

解析：根据语境可知此句的含义是当我第一次在车站遇到丹尼尔的时候，他正自己在候车大厅里。介词短语for the first time表示第一次；alone表示独自一人，有选择项的提示可知选择A。