Both the Great Wall and the Pyramid(金字塔) _______ famous in the worl A. am B. is C. are D. be

Both the Great Wall and the Pyramid(金字塔) _______ famous in the worl A. am B. is C. are D. be

The correct answer is C. are.

Here's why:

Subject: The subject of the sentence is "Both the Great Wall and the Pyramid." The word "both" makes it a compound subject (two things).

Rule: A compound subject joined by "and" is almost always treated as plural and requires a plural verb.

Application: The plural verb that agrees with the plural subject is "are."

The complete sentence is:
Both the Great Wall and the Pyramid are famous in the world.