People like taking photos because photos are the of youth and history and can remind us

问题补充：

．People like taking photos because photos are the of youth and history and can remind us of many happy scenes.

A. witness

B. guidance

C. evidence

D. approval

答案：

(答案→)A. witness

B. guidance

C. evidence

D. approval

解析：考查词义辨析。Witness 见证，guidance 指引，evidence 证据，approval 支持，句意：人们喜欢照相因为照片是年轻和历史的见证，并且能使我们想起许多美好的场面。所以选A。