Correct Answer:
Option B - The part of speech of the above underlined word 'it' is a 'pronoun' because here 'it' is used in objective case, refers to non-living things (room).
Thus, the correct answer is option (b).
B. The part of speech of the above underlined word 'it' is a 'pronoun' because here 'it' is used in objective case, refers to non-living things (room).
Thus, the correct answer is option (b).