93. Look at the graphic. At what time is the electricity rate highest?

(A) 12 PM - 4 PM.

(B) 5 PM - 9 PM.

(C) 10 PM - 6 AM.

(D) 8 AM - 12 PM.

 

答案：登入後查看
統計： A(0), B(86), C(0), D(1), E(0) #3822863