You’ve been so kind to us that we will always be deeply .
A. out of debt
B. in your debt
C. in trouble
D. in danger
网友回答
A. out of debt
(答案→)B. in your debt
C. in trouble
D. in danger
解析：考查短语辨析。out of debt 不欠债，in your debt 欠你的人情，in trouble 处于困境当中，in danger 处于危险中，句意：你对我们如此的好以至于我们总是欠你很大的人情。所以选B。