能够明确甲状腺单发结节性质的最可靠方法是（）。

A.ECT

B.颈部X线摄片

C.细针穿刺细胞学检查

D.甲状腺B超扫描

E.颈部CT

（）majority of people are highly against the pollution in this city.

A./（不填）

B.A

C.The

D.Many