. great difficulty I had the robber from breaking in!A. How stopB. What to stopC. How

问题补充：

. great difficulty I had the robber from breaking in!

A. How, stop

B. What, to stop

C. How, stopped

D. What a, stopping

答案：

A. How, stop

B. What, to stop

C. How, stopped

(答案→)D. What a, stopping

解析：可联系答.案.网客服索取。