Regina graphs the relationship between temperature ((left parenthesisin ^{\circ}\text{C}) ∘ C)degrees, start text, C, end text, right parenthesis and elevation ((left parenthesisin \text{m})m)start text, m, end text, right parenthesis in 999 different cities (shown below). What is the meaning of point AAA? Choose 1 Choose 1 (Choice A) A A city 6 \text{ m}6 m6, start text, space, m, end text below sea level is 5 ^{\circ}\text{C}5 ∘ C5, degrees, start text, C, end text below zero. (Choice B) B A city 6 \text{ m}6 m6, start text, space, m, end text above sea level is 5 ^{\circ}\text{C}5 ∘ C5, degrees, start text, C, end text below zero. (Choice C) C A city 6 \text{ m}6 m6, start text, space, m, end text below sea level is 5 ^{\circ}\text{C}5 ∘ C5, degrees, start text, C, end text above zero. (Choice D) D A city 6 \text{ m}6 m6, start text, space, m, end text above sea level is 5 ^{\circ}\text{C}5 ∘ C5, degrees, start text, C, end text above zero.