小F这里有几道英语题目很是困惑,嘻嘻希望大神可以帮助解惑!谢谢!嗯答的好的话会加财富值的!Mr.Morgancanbeverysad（）,thoughinpublicheisextremelycheerful.AbyhimselfBinpersonCinprivateDasindividu

Question

小F这里有几道英语题目很是困惑,嘻嘻 希望大神可以帮助解惑!谢谢!嗯 答的好的话会加财富值的!
Mr.Morgan can be very sad （）,though in public he is extremely cheerful.
A by himself
B in person
C in private
D as individual
麻烦大神解释下正确选项及其原因 O(∩_∩)O谢谢

Answer 1

选C
by oneself 亲自,独立地,独自(=on one's own)
in person 亲身
in private 私下里
as individual 作为个体
句意：Morgan先生有时会暗自神伤,虽然他在公众场合会显得十分乐观.
鉴定完毕