Which line best reveals that the author's purpose is to entertain?

a."you've made a two out of nothing but ones. now try this—"
b."that's too hard. i can't do it in my head."
c."then use your calculator."
d."my calculator! you don't think i take it to bed with me, do you? "

D. One of the points of performing warm-up exercises is to prevent injury and muscle strain. The best way to ensure that these events do not occur is to warm up the muscles that are going to be used in the exercise regimen.

Explanation:

Took the test review

i believe that one is charlie,my friend

the unsaturated fatty acid is a fat consist of one or more double bond in the fatty acid chain. if it contains one double bond then called as monounsaturated fatty acid however if, it contains more than one bonds called as a polyunsaturated fatty acid. true fatty acids are called unsaturated fatty acids as it reduces the risk of high blood cholesterol and good for health.