问题补充：
she likes chatting, she is careful about making friends with strangers online.
A. In order that
B. Even though
C. Unless
D. If
答案：
A. In order that
(答案→)B. Even though
C. Unless
D. If
解析：In order that为了,以便;Even though虽然,即使;Unless除非,如果不;If 是否,如果.句意:虽然她喜欢聊天,但是她很小心在网上和陌生人交朋友.结合语境可知选B.
