问题
选择题
Tom is not _______ he was in the situation _______ he was pessimistic.
A．where; when
B．what; where
C．that; in which
D．what; that
答案
答案：B
本题考查名词性从句及定语从句。what引导表语从句，在从句中作he was的表语；先行词the situation在从句中作地点状语，选B。