Choose the option that best complete(s) the gap.
________ the word in the Thesaurus!
The correct answer is: D
Explanation
The phrase look up is the appropriate phrasal verb used when searching for information in a reference source, such as a Thesaurus. The phrase "look for" is also appropriate as it means to search for something physically or mentally. However, the phrasal verb "look up" is more appropriate for this context.