This article may shock some sensitive readers, I offer my apologies in advance.
A. from whom
B. for whom
C. to whom
D. towards whom
网友回答
A. from whom
B. for whom
(答案→)C. to whom
D. towards whom
解析：考查定语从句。本题考查的是短语从句的介词选择，先行词是some sensitive readers，关系代词whom指代先行词在句中作为介词to的宾语。介词to是和名词apologize连用的。句意：这篇文章也许会让一些敏感的读者很震惊，我先向他们道歉。。本句中的名词apology和名词to连用，表示向…道歉。故C正确。