Which sentence shows the correct way to capitalize the underlined titles?
A: My Grandparents call my great-grandfather “the General” because he fought in the Civil War.
B: My grandparents call my great-grandfather “the general” because he fought in the Civil War.
C: My Grandparents call my Great-grandfather “the General” because he fought in the Civil War.
D: My grandparents call my great-grandfather “the General” because he fought in the Civil War.