VATS肺楔形切除术适应证是：（）。

A.肺周边结节的诊断、切除

B.弥漫性浸润性肺病的活检

C.肺大泡的切除

D.以上均对

—Two hundred of the tourists were saved from danger in Taiwan, but the rest ______ still missing．

— If only the travel agency ________ more measures to prevent such accidents．

A．is; has taken

B．are; had taken

C．is; took

D．are; would take