Martin moved to a new house. He tracked his electricity consumption over a period of 12 months. Consider the graph below which shows
the relationship between his monthly electricity consumption and the time.
Electricity Consumption (kWh)
0
2 4 6 8 10 12
Number of Months
Which statement best interprets information provided by the graph?
A. Martin's electricity consumption remained constant for a period.
OB. Martin's electricity consumption kept increasing continuously throughout the period.
OC. Martin's electricity consumption increased for some time and decreased for some time.
D. Martin's electricity consumption kept increasing at the same rate throughout the period.