Nowadays little knowledge _____ to be a dangerous thing.

Nowadays little knowledge _____ to be a dangerous thing.
A、seem
B、seemed
C、does seem
D、do seem
【正确答案】：C
【题目解析】：nowadays说明句子要用一般现在时，knowledge是不可数名词，作主语时谓语动词要用单数，所以选择C。