The correct answer is: A. the, the
The full sentence is “A friend in need is a friend indeed.” This means that a true friend is someone who is there for you when you need them, no matter what. The word “the” is used before both “friend” and “friend” because the speaker is referring to a specific type of friend: a friend who is always there for you, no matter what.
The other options are incorrect because they do not accurately reflect the meaning of the sentence. Option B, “a, an,” would imply that the speaker is referring to any type of friend, not just a friend who is always there for you. Option C, “a, a,” would imply that the speaker is referring to two different types of friends: a friend who is always there for you and a friend who is not always there for you. Option D, “the, a,” would imply that the speaker is referring to a specific type of friend, but not a friend who is always there for you.