A participle is a type of verb that can function as a(n) ___ in a sentence.

A: Verb or adverb
B: adjective or verb
C: verb or noun
D: adjective or noun

B: adjective or verb

To determine the correct answer, let's first understand what a participle is. A participle is a type of verb that can function as an adjective or as part of a verb phrase. It is formed from a verb, but it has characteristics of both a verb and an adjective.

With this understanding, we can identify the correct answer. The options given are:

A: Verb or adverb
B: Adjective or verb
C: Verb or noun
D: Adjective or noun

Out of these options, only option B states that a participle can function as both an adjective and a verb, which aligns with its actual usage. Therefore, the correct answer is B: adjective or verb.