Question

Walking is a good exercise.
Here "walking" is
a. countable noun
b. uncountable noun
c. proper noun
d. collective noun​

Answer 1

Answer:

is it correct

Explanation:

it's not a noun

Answer 2

Answer:

proper noun or uncountable noun (all other are irrelevant)

walking should be a verb here I think Ques is wrong..

and sorry if I am wrong now please follow me.