Step 1: Understanding the Concept:
The idiom "leave in the lurch" is used to describe an act of deserting someone at a time when they are in a precarious situation or need help the most.
Step 2: Detailed Explanation:
- Being "in the lurch" implies being in a helpless or difficult predicament.
- To "leave" someone there means to withdraw support or companionship, leaving them to face their problems alone.
- Options (A), (B), and (D) are antonyms of the actual meaning, as they all involve positive or helpful actions toward another person.
Step 3: Final Answer:
The meaning of "leave in the lurch" is (C) To abandon someone in difficulty.