Choose the closest paraphrased version for the sentence or italicized part.
They wouldn’t let you down in a crisis.（）
A、
They wouldn’t leave you alone in times of difficulty.
B、
They wouldn’t disappoint you in times of difficulty.
C、
They wouldn’t stay with you to cope with difficulty.
D、
They would do whatever they could to help you.
【正确答案】：B
【题目解析】：
句子释义：在危机时刻，他们不会让你失望。let sb down 让…失望。 选自下册第五课 First Principles。