He says whatever he thinks, other people’s feelings.
A. not to mention
B. apart from
C. regardless of
D. in spite of
网友回答
A. not to mention
B. apart from
(答案→)C. regardless of
D. in spite of
解析：考查词组辨析：A. not to mention更别说B. apart from除了C. regardless of不管，不顾D. in spite of虽然，句意：他说了他想的一切事情，不管别人是怎么想的。选C。