For ir it's
yo- voy
tu- vas
el/ella/ud.- va
nosotros- vamos
vosotros- vais
ellos/as/Uds.- van
for saber it's
yo- se
tu- sabes
el/ella/ud.- sabe
nosotros- sabemos
vosotros- sabeis
elllos/as/Uds.- saben
Answer:
The correct answer is B: He was poor and wrote Don Quixote while in prison.
it can compare because you could do more research to find out if it is true or not