Can we draw the following hypothesis from the context (see options)? 

Context:

How to stop erosion on a river bank<br>Use coir netting that's 700-900 grams per square meter (gsm). Coir netting is made from coconut fibers and is biodegradable. Normal or heavy duty netting should be used when there is a large amount of water flow.

Hypothesis: the best course of action is no action
Pick from: A. Yes; B. It's impossible to say; C. No;
C.