Which of the following is the OBJECT of the preposition in the sentence below? Martha laughed at the clown
A. the
B. at
C. laughed
D. clown
“clown" is the object of the preposition in the sentence. The preposition "at" shows the relationship between "Martha" and "the clown," indicating that "the clown" is the object of Martha's laughter.
Therefore, the Correct Answer is D.