A、The unsmiling faces. B、The sun. C、The residents. D、The weather. D题目询问女士好像不喜欢伦敦的什么。关键是听到女士说“太阳从不露笑脸，天总是灰蒙蒙的”，可判断选项D(天气)正确。

W：Is Leer one of your former classmates?
M：No，he was already a senior of our four-year university when I became a freshman there．
Q：How many years earlier did Leer go to college than the man?

M：You have been in London for several months．How do you like the city?
W：The only thing is the sun never smiles．It’s always grey and unhappy．
Q：What doesn’t the woman seem to like about London?