In the question below, choose the option nearest in meaning to the underlined:
It is usually hard to change the course of action when one crosses the rubicon. The underlined expression, as used in this sentence means to

A. pass through a place called rubicon
B. cross a river called rubicon
C. cross a bridge called rubicon
D. pass a special test
E. be irrevocably commited  

Show Answer Show Explanation

Correct Answer: E