Why does Lord Capulet allow Romeo to remain at the ball

to spy on him

because he wants to see a fight

because he does not want to end the festivities

to try to

Lord Capulet allows Romeo to remain at the ball:

C. because he does not want to end the festivities

Explanation:

Lord Capulet and Romeo belong to rival families. One night, Capulet is throwing a ball, and Romeo, along with a friend, decides to attend even though he is not welcome. Tybalt Capulet is angry to see Romeo there, and wants to give him a lesson. Lord Capulet, however, does not wish his party to end on account of a fight. He argues with Tybalt, saying Romeo certainly did not attend with malicious intent. He knows a fight would ruin everyone's night and, even worse, might even get him arrested.