单选题 The pilot spoke to the passengers to ______ their fears when the plane was hit by a storm.
【正确答案】 D
【答案解析】allay one's fear减轻恐惧。choke窒息；strike打，击；deter阻止。句意：当飞机遭遇风暴时，飞行员同乘客通话以便减轻他们的恐惧。