You need to make a clear distinction:)
Doubtful, unbelieving, dubious, unconvinced,
Thanksgiving is a day everyone gives thanks for when the native Indians helped the Europeans. Labor Day is being grateful for our American soldiers.
Something like that.
Answer:
A. It is an adjective to describe the word couple.
Explanation:
Adjective is a word that represents the quality of other word. It is an additional informational word which supports and modifies the other word. In the given sentence elderly is adjective which is describing the quality of word couple.
The answer is A hope it helps pls mark branliest