The choices can be found elsewhere and as follows:
<span>de Mendez has been an old enemy
de Mendez quarantines Gulliver from the sailors
</span>
I believe the answer is the first one. Gulliver is not able to respond to pedro de mendez's help because de Mendez has been an old enemy.
D. The average 8 to 18-year-old spends <em><u>3 hours or more</u></em> per day on average in front of a screen doing very little to no physical activity.