Step 1: Context.
Snowmobiles are machines that require high fuel power.
Step 2: Option Analysis.
(A) time: Incorrect.
(B) water: Not applicable.
(C) effort: Not mechanical.
(D) power: Correct.
Step 3: Conclusion.
Correct answer is (D) power.
“One of these days you’re going to talk yourself into a load of trouble,” her father said aggressively. What do you learn about Sophie’s father from these lines? (Going Places)