You are supposed to put titles in italics
It’s A. This river is WIDER than that river.
The word dreaming in the sentence, “The children went to
sleep dreaming of the party“ is a participle.
To add, <span>a </span>participle<span> <span>is a form of a verb that is used in a sentence
to modify a noun, noun phrase, verb, or verb phrase, and plays a role similar
to an adjective or adverb.</span></span>