Sentence improvement (word choice in style/writing) — Improve the noun in: ‘‘The greatest thing in style is to have a use of metaphor.’’ Choose the option that yields precise, academic English.

Given sentence
‘‘The greatest thing in style is to have a use of metaphor.’’

Concept/Approach
We say ‘‘have knowledge of metaphor’’ or ‘‘have a command of metaphorical usage’’. ‘‘Have a use of’’ is unidiomatic.

Option analysis
A: knowledge — Best fit: ‘‘to have knowledge of metaphor’’ (or simply ‘‘knowledge of metaphor’’).B: command — Possible (‘‘a command of metaphor’’) but the article pattern in the stem aligns more smoothly with ‘‘knowledge’’.C: need — Changes meaning.D: No improvement — Original is incorrect usage.

Final Answer
knowledge