---Whatisthematter,Jane?Youlooksad．  ---Oh，nothingmuch．...

問題詳情：

---What is the matter, Jane? You look sad．

   --- Oh，nothing much．As a matter of fact，I       of my friends back home．

A．was just thinking          B．just thought

C．have just been thinking     D．have just thought

【回答】

C

知識點：現在完成進行時及其被動式

題型：選擇題