.

Although many people view conflict as bad, conflict is sometimes useful _______ it forces people to test the relative merits of their attitudes and behaviors.

A．by which

B．to which

C．in that

D．so that

甲状腺癌患者甲状腺静态显像中，病灶多数表现为（）

A.热结节

B.温结节

C.凉结节或冷结节

D.正常分布

E.甲状腺不显影或显影淡