Respuesta :
I think the correct answer from the choices listed above is option D. A biconditional statement is defined to be true whenever both parts have the same truth value. Therefore, the statement would be "I use an umbrella if and only if it rains." Hope this answers the question. Have a nice day.
Answer:
Your answer would be D.
I use an umbrella if and only if it rains.
Trust me on this it makes a lot of since