The correct answer is stir violently.
A. stir violently
C. cast aside
D. transfer liquids
The correct answer is (A) To stir violently; to agitate fiercely; to stir (liquid) about, to make (the sea) froth; to wash to and fro, to foam, to seethe. Also, to produce butter by beating (milk or cream) in a churn.
Churn comes from Old English cyrne, cyrin.
Examples of use:
- The water churned in the wake of the large vessel.
- His ungraceful dive churned up the water in the small swimming pool.