Which sentence uses the word perpetual correctly? O My grandma is in a perpetual state of baking three pies for her friends.
O She has a perpetual cat that eats all day.
O His brother is a perpetual baseball player this year.
O My new kitten is in a perpetual state of activity and rarely seems to sleep.

D

Explanation:

um, no explaination needed???

the following key ideas correctly express the key sentence.

restate key idea: most people can learn to swim in ten short lessons.

restate key idea: the majority of water-accident victims require mouth-to-mouth breathing.

restate key idea: an empty, tightly closed gallon jug will support a tired swimmer.  

restate key idea: first aid is to prevent accidents as well as assist in rescue.

explanation: the key idea needs to have the same topic as the key sentence (drowning and safety).