Correct option is A
In the sentence, the word "adhere" is appropriate as it means to comply with or follow strict health codes. The sentence then becomes: "Restaurants that don't
adhere to strict health codes can be shutdown."
Adhere: stick fast to
Entitled: believing oneself to be inherently deserving of privileges or special treatment.
Encourage: give support, confidence, or hope to (someone).
Unite: come or bring together for a common purpose or action
Associate: connect (someone or something) with something else in one's mind.