A is infinitive (to sneeze)
B is conditional (could change)
C is indicative (prefers)
D is imperative (cover)
Cabeza de Vaca's account of his journey is part of the literature of Spanish expeditionism. " since he was a famous Spanish explorers who discovered and investigated many new territories.
I don't think he would neglect his children, or allow elders to make all the decisions, I believe that he would encourage his children to play on his own. I would go with he encourages children to play on their own.