Can you please tell me what the answer is

The graphs below show Chicago's low temperature each day in March, 2013, The first graph shows the actual low temperature in 2013, the second shows the average low temperature on that date. What type of trend do these graphs show? Low Temperature n 2013 Average Low Terrpersture 204 16- 10 10 20 20 Date in March Date In March A Both graphs show linear trends, but the average low temperature shows a stronger linear trend B Both graphs show linear trends, but the low temperature in 2013 shows a stronger linear trend. C One of the graphs does not show a linear trend. D The graphs show linear trends of roughly the same strength