Identify the part of speech of the underlined word in the following sentence.
The balloon was grounded by strong winds.

Correct option is B

The correct answer is (b) Verb.
In the sentence "The balloon was grounded by strong winds," the word "grounded" is used as the main verb in the passive voice construction. The structure "was grounded" indicates an action performed on the subject (the balloon), meaning the balloon was forced to stay on the ground due to strong winds.