By referring to the Universal Declaration of Human Rights as "purely programmatic" (line 49) in nature, the author mo...

I am a little lost on the logic of answer choice A. How can a S/N conditional statement (A-->B) be considered the sufficient or necessary condition of a larger statement (A-->B) --> (C-->D)? Not sure if I am clear in my confusion. Am I correct in understanding that the either/or aspect of answer choice A is a part of one large either/or statement, rather than two either/or's? Is this a common conditional we might see often...where a whole conditional statement stands as the sufficient while another whole conditional statement stands as the necessary? Sorry for the flood of questions! I appreciate any guidance