Because People Strain Their Water Through a T-Shirt Before Drinking

Because people strain their water through a T-shirt before drinking it, cooking with it, or using it for other personal purposes, Dracunculus medinensis has almost been eliminated from parts of the Mediterranean region. This control measure is an example of:

A) Barrier control
B) Chemical treatment or cleaning of the environment
C) Life-cycle interruption
D) Prophylactic treatment of hosts