Answer:
c. comprendre
Step-by-step explanation:
In this sentence, the speaker is saying that they don't speak Russian.
When someone is speaking another language that we don't know, that usually means we can't comprehend them.
a. entrendre
b. apprendre
c. comprendre
d. voir
We can hear them, so the answer can't be a. We usually don't learn what people say (unless they're teachers), so it can't be b. We don't see what we speak, we hear and understand it, so it can't be d. Thus, the answer is c) comprendre - to comprehend or understand