书名：网络题目
页数：无
题目：______ you buy social media advertising or focus on organic social media
engagement, Genius Marketing ‘s Power Conference is the conference you need
to attend this year.
(A) either
(B) whether
(C) rather
(D) not only
疑问： 请问选B和A差在哪 我是看到 or 先选A 写的时候没仔细看其他选项 直接选A
答案是B