1-) The last option "Fire supports..." some evidence is in:"in the forest of teh night...", "what immortal hand or eye could frame...", "what shoulder and what art could twist the sinews of thy heart? "
2-) "This archetype makes the poem more...", because of the question "Did He (God) who made the lamb make thee?"
3-) "The speaker wonders if teh tiger is good or evil.", as the question is about the nature of the fire (in what distant deeps...?) in the tiger's eyes.
4-) "Could frame thy fearful symmetry."
5-) "Many questions make the poem an inquiry...", it becomes clear thatthe speaker admires and fears the fiersome nature of the tiger.