The sentence which correctly uses a gerund is, 'Shoveling snow is hard work and good exercise.'
Answer: Option C.
Explanation:
Gerunds are the words that are usually derived from a verb but that acts as a noun. It is very easy to figure out gerund in a sentence because every gerund is a Verb which ends with an 'ing' at the end of the word. In the sentence 'Shoveling snow is hard work and good exercise', shoveling acts as a gerund mainly because shoveling is a verb that ends with an ing.
