Answer:
B. When the mother put down the child, he began to crawl quickly.
Explanation:
The word quick resembles a kind of adverb. An adverb is a word or phrase that modifies or qualifies an adjective, verb, or other adverb or a word group, expressing a relation of place, time, circumstance, manner, cause, degree, etc, most commonly ended with the suffix of -ly.
1. quick (adjective) > quickly (adverb)
2. careful (adjective) > carefully (adverb)
3. beautiful (adjective) > beautifully (adverb)
I all of the example sentences, the word quick is used, rather than the correct part of speech, quickly.
