Correct option is B
The correct answer is
(b) submerged.
Explanation:
"Submerged" is the correct past tense of the verb "submerge," which means to be covered by water. The sentence refers to an event in the past, so the correct form is the simple past "submerged." The other options are incorrect in terms of tense and verb agreement.
Meanings of all options:
·
Has submerging: Incorrect tense and form.
·
Submerged: To go under or be covered by water.
·
Submerges: Present tense of the verb "submerge."
·
Has been submerged: Present perfect passive tense, which doesn’t fit the context.