The correct answer is D. : Does someone... know.
Someone needs a singular for of the verb, as it refers to a single person.
In A. the mistake is that "Few" refers to multiple people so it needs a plural form, in B. one (of those...) requires singular and C. "several" requires plural
- and they all have the wrong number.
First of all we dont know what authors your talking about how are we supposed to help..?
An aspiring young entrepreneur decided to start a foundation to help all the needy.
This is an example of a sentence using both the word aspiring as well as foundation.