I am familiar with this DBQ. I can't write a DBQ or thesis statement for you, but if you read all the documents carefully, you should be able to come up with a consensus of the meaning of the documents. Read each document carefully, summarize it in your own words, and then put them all together to determine what they say about the response to Buddhism in China. You should be able to divide them into three groups: those who welcomed Buddhism (and why); those who opposed it and why (hint: these were mostly the Confucians who opposed it because it wasn't Chinese) and then those who tried to find a consensus between the two. You cannot create a thesis, however, until you read and understand the documents. Good luck.