Which sentence contains the correct use of the -ly modifier ?

A. The otherwise lazy rivers moves swiftly near the delta ?

B.
The river water moves gentle enough for fisherman to wade through it?

C. Kayakers consider the rivers waters to slowly for adventure

A.

Explanation:

It sounds the best, but I'm not sure.

for me, doing projects and performance tasks.

explanation:

type of error:

the error in the sentence is a "dangling modifier". a dangling modifier is a phrase, word or clause that "dangles" because there is not target to modify. in this case, "after mopping the floor" is the dangling modifier since it has no word to modify. the noun "house" cannot mop the floor; therefore there is a mistake in the writing of the sentence.