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.

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統計： A(0), B(2), C(0), D(0), E(0) #3822863