原发综合征的特征性表现是
A、结核菌素试验强阳性
B、X线片显示“双极影”
C、咳嗽、咯血
D、低热、盗汗
E、食欲减退、消瘦

单项选择题Dickens depiction of those ruinous slums in London can find expression in （）, the most notorious gutter alongside The Thames.

多项选择题In order to highlight Oliver’s first encounter with the shockingly filthy London underworld, Dickens portrays London with a series of unpleasant natural elements including （）.