Choose the alternative which can replace the bold word without changing the meaning of the sentence.
The lawyer’s trenchant arguments left no room for doubt in the minds of the jury.

The word "trenchant" means sharp, forceful, and clearly articulated, particularly in speech or writing. The closest synonym is "incisive," which refers to being intelligently analytical and precise."Superficial" means lacking depth, which is the opposite of "trenchant.""Vague" means unclear or lacking precision, which contradicts the idea of trenchant arguments."Hesitant" suggests uncertainty, which is the opposite of being forceful and sharp.Thus, "incisive" is the most appropriate replacement.