In the following question, out of the four alternatives, select the alternative which best expresses the meaning of the idiom/phrase.
The wheels have come off

Options

A. To use something so much that it wears out.
B. Things start to fail or go wrong, especially after a period of success.
C. To do a shoddy job which is destined to fail.
D. Make an excuse to avoid doing a task.

Answer

B