Suddenly， later that morning， the solution became clear. It was risky， but life in the Third Reich had always been risky.

Suddenly， later that morning， the solution became clear. It was risky， but life in the Third Reich had always been risky.
A、After careful thinking suddenly I thought of way to improve the solution.
B、Though it was risky， I knew more clearly what could do that morning.
C、That morning I finally got a suitable answer to the problem.
D、I thought up a way to solve the problem.
正确答案：D