题目内容:
"We must keep a secret of the things here," the general said at theman in charge of the service office. A.discussed; and stared seriously
A.discussed, stared seriously
A.discussed, stared seriously
B.being discussed; seriously staring
B.being discussed, seriously staring
B.being discussed, seriously staring
C.to be discussed; seriously stared
C.to be discussed, seriously stared
C.to be discussed, seriously stared
D.having been discussed; and seriously staring
D.discussed, stared
D.discussed, stared
参考答案:
答案解析: