Answer:
C) as if there had been some magic power in the vigorousness
as if there had been some magic power in the vigorousnessof his speech
I think because is your best option.
Syntax is the study of <span>a. grammatical rules of a language
C is semantics, d is comparative linguistics, b is related to sociolects.</span>
hey! im sorry you havent gotten a response but you can try edu birdie or something like that