No people who have not themselves done creative work in the arts are responsible critics on whose judgement we can rely. This is

A. Proposition B. Statement C. Argument D. Explanation

A. Excellence of some members of a class B. Exclusion of some members of a class C. Exclusion of many members D. Inclusion of many members

A. Some scientists are not mathematicians B. No scientists are mathematicians C. All scientists are mathematicians D. None of the above

A. 1 and 3 B. 1 and 2 C. 2 and 3 D. 1 and 4