---- Who is that man sitting there ?
----Well, if you must know, his name is Jack.
A. friendly
B. lonely
C. lively
D. quietly
网友回答
A. friendly
B. lonely
C. lively
(答案→)D. quietly
解析：friendly形容词，友好的；lonely，形容词，孤独的；lively形容词，活泼的；quietly副词，安静地。句意：安静地坐在那边的那个人是谁？副词在在句子中一般位于动词后面做状语，故选D。