In Which of the Following Sentences Is Context Most Helpful

Multiple Choice

In which of the following sentences is context most helpful in understanding the italicized word?

A) Maple trees are pervasive in Indiana and in some other parts of the United States as well.
B) Bethany's friends clandestinely planned a birthday party for her soon after she turned twenty-one.
C) Gretchen is benevolent in all of her dealings with people, even when she does not know a person.
D) Brian's mother was tenacious regarding his attendance at the state college, but his father did not seem to care.