Members of the media to cover Royal events or stories should make themselves familiar with the guidance provided in this section.
A. seek
B. sought
C. seeking
D. to seek
网友回答
A. seek
B. sought
(答案→)C. seeking
D. to seek
解析：句意：寻求报道皇家事件或新闻的媒体人员应该熟悉在这部分所提供的引导指南。本句中should make为谓语动词，所以其余出现的动词要用非谓语动词的形式，在这里seek和逻辑主语Members of the media是主谓关系，故选C，表主动，表伴随。