单项选择题

–Mny boy students think mth is _____ English.--Igree. I’m wek in English.much difficult th

nB–Mny boy students think mth is _____ English. --Igree. I’m wek in English.much difficult thn B.so difficults C.less difficult thn D.more difficult thnA.much difficult thanB.so difficult asC.less difficult thanD.more difficult than