— Believe it or not, my sister and I are twins.

— Oh, you must have had the case _____ you were taken for your sister. [ ]

A. which

B. whose

C. where

D. whom

利用《中文科技资料目录》(医药卫生)查找有关“皮肤黏膜淋巴结综合征的护理”方面的文献，如果从主题途径查找，本课题的检索策略是______

A．皮肤黏膜淋巴结综合征—护理
B．皮肤黏膜淋巴结综合征—护理学
C．护理—皮肤黏膜淋巴结综合征
D．护理学——皮肤黏膜淋巴结综合征