问题
选择题
Many children seldom communicate with adults, ________ it difficult for their parents to know what they are thinking about.
A．making
B．makes
C．to make
D．made
答案
A
题目分析：考查现在分词做结果状语：句意：很多孩子很少和成年人交流，这使得父母很难知道他们在想什么。因为是顺理成章的结果，用现在分词做结果状语，选A。