Luckily, help arrived in the nick of time. The idiom means:
Ain a moment
Bin olden times
Cat the right moment
Dtoo late
Answer:
C. at the right moment
Read Explanation:
Yes, you are correct! The idiom "in the nick of time" means "at the right moment" or "just in time", often when something is about to go wrong, but help or intervention comes right before it's too late. In the context of the sentence, it means that help arrived just when it was needed most.