Simplify: (2.4) (a - 0.2b + 3.5c)

A. 2.4a + 2.2b + 5.9c

B. 2.4a - 4.8b + 8.4c

C. 2.4a - 4.8b + 84c

D. 2.4a - 0.48b + 8.4c

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