Select the correct answer.
Fiona is writing a paper about how to be successful in life. She has come across this text in the source “To Be Famous We Must Be Ambitious” by Rosetta Dunigan:

The desire to be thought well of, to desire to be great in goodness, is in itself a noble quality of the mind. It is often termed ambition.”

Which sentence represents the best way Fiona can use this excerpt in her paper without plagiarizing?

A.
Ambition can be defined as the desire to be thought well of and be great in goodness, which is in itself a noble quality (Dunigan).
B.
“Ambition can be defined as the desire to be thought well of and be great in goodness, which is in itself a noble quality” (Dunigan).
C.
Ambition can be defined as “the desire to be thought well of” and “be great in goodness,” which “is in itself a noble quality.”
D.
Ambition can be defined as “the desire to be thought well of” and “be great in goodness,” which “is in itself a noble quality” (Dunigan).