What have you learned about Susan

A．She was as tall as my shoulder.

B．She leaned her head on my shoulder.

C．She cried on my shoulder.

D．She looked at things over my shoulder.

用¹²⁵I标记抗原，不正确的说法是( )

A．直接标记法仅能用于含酪氨酸的化合物
B．间接标记法可标记缺乏酪氨酸的肽类及某些蛋白
C．间接法标记蛋白质的比放射性高于直接法
D．氯胺T标记法是最常用的直接标记法
E．间接标记法对蛋白质的损伤较小