---How many members are there on the team?---Ei

---How many members are there on the team?
---Eight this term. But there will be ten ______ next term. I’m not quite sure.A.at allB.at lastC.at leastD.at once

C解析本题的含义是这学期队里有八个成员，但下学期至少有十个，意思才更符合，at
Least表示至少，故选C。at all 根本，at last 最后，at once马上，意思都不
符合。

谢谢解答