Select the most appropriate option to fill in the blank.

I like eating chocolates, ______ I hate dark ones.

but

The most appropriate option to fill in the blank is:

☀ but

The sentence would read: "I like eating chocolates, but I hate dark ones."

Explanation: The word "but" is used to introduce a contrast or contradiction between two parts of a sentence. In this context, it indicates that there is a difference between the speaker's liking for chocolates and their dislike for dark ones. The other options don't fit the context:

• For: This doesn't fit the context of introducing a contrast or contradiction.

• Because: This indicates a reason or cause, which doesn't fit the context of contrasting two preferences.

• While: This can indicate a contrast, but "but" is a more appropriate choice in this sentence.