Which sentence contains an error in the use of end marks or commas?

a.
the baby rabbit sat motionless so it was easy to pick it up.

b.
strolling along the beach, we found many nice seashells.

c.
mr. nathan mancy, jr., will assume the presidency of the corporation on july 5.

d.
no, sir, i do not think the world revolves around me.

How did magellan's discovery of what is now considered the philippines directly affect the native populations that were living there? a.they disappeared deep into the new land and started another settlement b. they became aggressive after having a new religious view upon them c. they became restless to travel the world on the ships they encountered d.they became angered over losing their lands' raw goods like fruits and spices