题目(多选题,4分)互补性决定区包括()A. CDR1B. CDR2C. CDR3D. CDR4E. CDR5(多选题,4分)互补性决定区包括()A. CDR1B. CDR2C. CDR3D. CDR4E. CDR5题目解答答案ABCA. CDR1B. CDR2C. CDR3