The difficulty which we had with the local people has now been removed.A. communicationB

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A. munication
B. to municate
C. municated
(答案→)D. municating
解析：考查固定结构，固定结构：have some difficulty (in) doing sth做某事有困难。本题把the difficulty提前，后面使用定语从句，which指代先行词the difficulty在句中作为had的宾语，后面使用doing的形式。故D正确。