will-o-the-wisp

Options

A. smoky place
B. marsh land
C. unreal imagining
D. rumour whispered by many

Answer

C

Explanation

will-o-the-wisp: a thing that is impossible to obtain, a person that you cannot depend on. Look at the sentence:
• To build a bridge across an ocean is like will -o-the wisp. Here, unreal imagining is the right option.