Mark the letter A, B, C, or D on your answer sheet to show the underlinedpart that needs correction in each of the following questions.
Whiteman wrote Leaves of Grass as( A) a tribute to the Civil War soldiers who (B) had lain on the the battle fields and he had seen while (C) served as (D) an army man nurse
A. a tribute
B. had lain
C. served
D. an