Answer:
B
Step-by-step explanation:
When you are unable to answer, even with an interpreter, you have to know that you were nervous and stressed out. The clerks knew this, and they were kind enough to let people rest and try again.
We are not told about being hungry or exhaustion. Not A
C: not the answer although it was true. It is not the main point.
D: Also true, but not the main point.
Answer: B