Question

—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

Answer 1

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。