A:胸腺嘧啶核糖核酸
B:胸腺嘧啶脱氧核苷酸
C:腺嘌呤脱氧核苷酸
D:胸腺嘧啶核糖核苷酸
下列各句中,没有语病的一项是( )
— They are Mary's bag. She left it on the playground just now, but now she can't find it.