"His or her" would technically be the best fit, since it is acknowledging both genders, but it is very common to use "their" any most people wouldn't consider it wrong. <span />
Answer:
Democrat leaders have said they want legislation that will allow for eventual citizenship to the immigrants in question.
Answer:
In our chapters Hester finally gets released from prison only to still live on the land that so many people despised her. She lived in a little cottage on the outskirts of the town of Boston and continued to make a living and support Pearl as a seamstress.
Explanation: I DONT KNOW IF I HIT ALL OF YOUR POINTS BUT IK I ANSWER MOST OF IT HOPE THIS HELPS :)
(A)because it sums the answer up into a basic sentence.