THIS IS FROM AN ARTICLE FROM NEWSELA CALLED (Like Andrew Luck, kids quit sports when the joy goes away)

PLZ GIVE ME THE RIGHT ANSWER BE HONEST

Which sentence from the article BEST introduces why Andrew Luck retired?

A
He stunned the sports world on August 24 by announcing his retirement.
B
Luck is a four-time Pro Bowl player who may have had his best season in 2018, when he threw for 4,593 yards and 39 touchdowns.
C
Luck said this cycle of injury, pain and trying to heal from the injuries had "taken my joy of this game away."
D
Luck's situation is different from that of kids who play sports.

Armed with invisible ink, a cipher system, and a passion to end the war and preserve the union, elizabeth van lew became butler's eyes and ears in the confederate capital city. truth be told, however, she became much more than that. she became a spymaster, the person responsible for running a network of agents, couriers, and safe houses that was very active during the war. in addition to the spying, elizabeth van lew continued to maintain her church hill home as a safe house and something of a local union spy headquarters. —the dark game, paul janeczko what is the central idea of this passage? van lew’s home was used as a safe house, which was critical to the confederacy. van lew had a passion to end the war and preserve the union. van lew was a spymaster, a leading force in the espionage activities for the union. van lew did not enjoy working for general butler.