I'm sorry I shouldn't have been so rude to you.You _____your temper,but that's OK.A.did lose B.had lost c.have lost D.were losing谁能帮我讲讲为什么?

I'm sorry I shouldn't have been so rude to you.You _____your temper,but that's OK.A.did lose B.had lost c.have lost D.were losing谁能帮我讲讲为什么?
I'm sorry I shouldn't have been so rude to you.
You _____your temper,but that's OK.
A.did lose B.had lost c.have lost D.were losing
谁能帮我讲讲为什么?

I'm sorry I shouldn't have been so rude to you.You _____your temper,but that's OK.A.did lose B.had lost c.have lost D.were losing谁能帮我讲讲为什么?
shouldn't have done 表示“过去本不应……”.You did lose your temper 是You lost your temper 的强调形式.