Given a sentence with a missing word, pick the answer option that best fills out the missing word in the sentence. Indicate each answer with its index ('a', 'b', 'c', 'd').

Q: Aspiration pneumonia includes ____ syndromes based on the nature of the inoculum.\Question: Choose the right answer from options given a) three b) seven c) eight d) no

A: a
****
Q: Corms are undifferentiated, uniform, and contain ____ rings when cut apart.\Question: Choose the right answer from options given a) no b) three c) one d) zero

A: a
****
Q: Golden crownbeard is a taprooted annual up to ____ feet tall.\Question: Choose the right answer from options given a) eight b) two c) seven d) three

A:
d
****