It's either going to be A or B because a C is talking about interviewing one person and D doesn't make sense because what happens if you can't here the radio clearly or it might keep going in and out
"I" is in regards to yourself, you and any humans name are proper nouns that you go by. "a" is not a proper noun it is describing the quantity or the subject of the matter, Ex- [I] love it when [a] cool summer day takes place in my area.
{Bad sentence, sorry}
Explanation:
option A. Future tense
because till now he doesn't went for walk
his is going to go for the walk
if this helps you then please make me brainlist