"I had to wrack my brain and plum the depths of my resources to overcome the foul consequences of my previous vice." Which of the following homophones should be used to correct the sentence above?
A. Fowl
B. Rack
C. Plumb
D. Vise
Choice C, "plumb," is the appropriate word here. It means to measure the depth of something or to explore thoroughly, which fits the context of the sentence.
Therefore, the Correct Answer is C.