问题
选择题
—Nowadays the doctors are trying their best to reduce the people’s fear__________ they would be affected by the present disease called “Bird Flu （禽流感）”.
A．whether
B．which
C．that
D．when
答案
答案：C
fear后为同位语从句。在同位语从句、表语从句、主语从句中的引导词that一般不省略。故选C。