1． 【72577】 _____ invited to the funeral,the couple were truly worried．
A． Not to be
B． Not having been
C． Having not been
D． Not having
答：B
译：由于没有被邀请去参加葬礼,这对夫妇确实很担心.
析：考非谓语动词作状语,其否定式not在最前面（not to do sth.,not doing,not having done),排除C.（C是最大的干扰项）.由于是被邀请,所以排除D.不定式放句首作状语,一般表示目的,A.句意不合.排除.