I don't understand the question, add more information or reply and I will further help.
It says he wiped his brow, which basically means he wiped his forehead. It sounds like he was running ("had kept a pace or two ahead"). What is wet, and you get while working out? Hint: not rain
A b and c because it is the right one
Answer:
B. Everyone knows that umbrella is mine.
Explanation:
The pronoun mine suggests the speaker is talking about themselves.