Answer:
A; the governor of Texas vetoing a law passed by the legislature
checks and balances is basically the idea that all 3 of the us government branches can keep each other in check and have a balanced amount of power; so a governor being able to veto a law showcases that the governor can keep the legislative branch in check.
Step-by-step explanation:
(lowkey cant read the picture too well so maybe take a better one next time? T-T)