Before he began training, Jethro's longest jump was 5.80 metres. After the first month of training, his longest jump had increased by 0.32 metres. After the second month of training, his longest jump had increased by another 0.24 metres. After the third month of training, his longest jump had increased by another 0.18 metres. If this pattern of improvement continues, Jethro's longest jump in metres, correct to two decimal places, will be closest to A. 6.54
B. 6.68
C. 7.00
D. 7.08
E. 7.25
[VCAA 2010 FM)