Answer:
C. They knew that Santa Anna’s army would never arrive in time.
Step-by-step explanation:
The Texas underestimated him in some ways, but this was not one of them. They had won past battles and were extremely confident about this, not to mention this would take them one step closer to independence, reinforcements were sent to help but they never made it, the Texans confidence was so strong that most of them stayed even after given the chance to leave the fight.