The correct answer is A: It is a gerund functioning as a noun.
Gerunds are words formed from verbs. They function as nouns and end in -ing. Gerunds are used in sentences that convey the meaning of <u>real or complete actions.</u>
On the contrary, infinitives are verb forms that do not end in -ing. They are formed with -to preceding the verb form. They are used in sentences that convey the meaning of <u>unreal or future actions.</u>
If this is an opinion question- I think the most important part of being human is the feelings and interactions we have with each other. Positive interactions increase my belief in the good of humanity.
It's definitely true. After Shuffle Along she became famous. She also mentioned that Shuffle Along was the launch of her career. Few years after that she headlined at the Palase Theatre that is very prestigious in vaudeville.