In this question, sentence is given with blank to be filled in with an appropriate word. Four alternatives are suggested for question. Choose the correct alternative out of the four.
You will have to face some practical problems when you start _____ this plan.

Options

A. prescribing
B. executing
C. proscribing
D. prosecuting

Answer

B

Explanation

execute (Verb) : put a plan, order or course of action into effect, carry out
Here, executing is the right usage.