Answer:
Swim=Base
Swam=Past
Swum=Past Participle
Swimming=Present Participle
Past: swam
Past Participle: (have) swum
Explanation:
Direct characterization
Option C.
Option A is resolving the climax (decision-making).
Option B is the ending.
Option C is the climax (cause of decisions and ending).
Option D is the starting introduction.
