Choose the adjective phrase and the word it modifies in the sentence.
the treasure chest on the sunken ship was never recovered.

a. the adjective phrase is "the treasure chest"; the word it modifies is ship.

b. the adjective phrase is "on the sunken ship"; the word it modifies is chest.

c. the adjective phrase is "was never"; the word it modifies is chest.

d. the adjective phrase is "was never recovered"; the word it modifies is ship