Answer:
A. How tall are you?
Explanation:
The response given to a questions will usually depend on the type of question asked. We have the open ended and the close ended. depending on whether the question can be answered by a yes or no alternative.
The question how tall are you? Simply requires a phrase answer with the height of the person being asked. Such as 6 feets, 12 feets, etc.
The question, length of lizards in backyard and the height of students in class requires a range of values to express the height of the lizards and students.