An adverb is a word or phrase that qualifies or changes an adjective, verb or another adverb, to express a relation of a situation, cause etc.
An adverb of time can be positioned in the beginning to tell how often an action takes and in the end to tell when an action takes place.
The correct answer is A) True as an adverb of time can be used at the beginning or at the end of a sentence. .
The other option is wrong as the given statement is true.
The correct answer is A)True.