The problem in the sentence "James is more smarter than Steven", is option A. Double Comparison. Double comparison happens when we use the word more or less plus the comparative form of an adjective with the suffix -er.
All narratives
, but they may use different elements to do so.

Question asked:identify the choice that best describes the underlined word: reassuring
A. adverb
B. adjective
C. articale
D. compound adjective
My answer is: I believe ur answer is B. Adjective
Quickly it helps describe the verb which is ate
go ask this somewhere else, not here