【正确答案】 B

【答案解析】To solve this problem, first figure out how many milliliters (ml) you have in 25 cans of soda by multiplying [*] by 25 cans to get 7,500 ml. Recall that 1 l=1,000 ml. Multiply 7,500 ml by the conversion of [*] The mL's cancelled out, giving you [*]. Because dividing by 1,000 moves the decimal point 3 spaces to the left, you end up with 7.5 l.