来自马嘉的问题
whatdoyouthink____ptotectourownenvironmentAshouldwedoBweshoulddoCweshoulddotoDshouldwetodo
whatdoyouthink____ptotectourownenvironment
AshouldwedoBweshoulddoCweshoulddotoDshouldwetodo


whatdoyouthink____ptotectourownenvironmentAshouldwedoBweshoulddoCweshoulddotoDshouldwetodo
whatdoyouthink____ptotectourownenvironment
AshouldwedoBweshoulddoCweshoulddotoDshouldwetodo
首先doyouthink是插入不用看句子就变成了Whatweshoulddotoprotectourownenvironment答案是C