B.received.

“收到信”的固定用法是：
receive 后面加 letter （收到某人的信）
heard from 后面加 人（听到某人的消息）
题目的问句是：Have you ___any letters from your sister recently?
后面是"letter"所以肯定是用“received”了.
你可以从答句中看到：No,I haven't heard from her yet.
这里的 heard from 后面就是加 her 了
这样能明白吗?