The correct answer is A. Sympathize.
Sympathize means to feel sorry for someone or to share someone’s feelings. It is a verb that is often used to express empathy or compassion.
Placate means to soothe or calm someone who is angry or upset. It is a verb that is often used in a political or business context.
Commemorate means to celebrate or honor someone or something, typically with a special event or ceremony. It is a verb that is often used to mark a significant event or anniversary.
Consecrate means to dedicate something to a sacred purpose. It is a verb that is often used in a religious context.
In the context of the question, the correct answer is A. Sympathize. This is because the question is asking for a synonym of the word “commiserate,” which means to feel sorry for someone or to share someone’s feelings. The other options, B, C, and D, do not have the same meaning as “commiserate.”