Answer:
d. a government run by the richest and most educated citizens
B.one
C.all
D.three
B. One reliable piece of evidence proves that a thesis is valid, or correct.
C. All theses are equally good because no evidence is completely reliable.
D. A good thesis is supported by many pieces of reliable evidence.
I'm late but the answer is D.
D. A good claim is supported by many pieces of reliable evidence. (APEX)