答案是：
✘ I woke up before you called me.
✘ I have woken up before you called me.
✓ I had woken up before you called me.

在問題裡，我們要表達醒來這個動作實在來電之前的，而來電也是已經發生的事，用來過去式，這個時候，要表達比過去更過去的動作，我們一般就會用過去完成式（had + pp）可以看看下面的例子：
Mary had gone out when I arrived home.（Mary 出去比我到家早）