Read and arrange the given points as per American Association on Mental Deficiency (AAMD'S) views on intellectual disability. (A) Deficits in a person's capacity to be independent and deal effectively with the environment. (B) The deficits must be observed during developmental period (0-18) yrs. (C) The definition points to three basic features. (D) A person must show significantly sub-averages intellectual functioning Choose the correct answer from the options given below :