参与胸腺嘧啶核苷酸合成的维生素是()
A.维生素K
B.维生素C
C.叶酸
D.维生素A
E.B族维生素
参考答案:C
Mr. Green has never smoked any more since his wife _____ him to give it up.
A.persuaded
B.wanted
C.advised
D.suggested