The answer C correctly uses possessive form and is the right answer. It's not A because there is only one George so the apostrophe is in the wrong place. In B, there's not even an apostrophe and it's not clear as to whether there is only one cousin or two or more cousins. In answer D, here should not be an apostrophe for develops.
As an affirmation of her loyalty, Keysha agreed to become a secret agent.
Or C as in cat
Answer:
3rd option: He married at 13 but his bride was acutally 14.
Explanation:
We are moving forward in science and math and health, which is saving lives.