Sentence 5: divers also can see huge manta rays octopuses green turtles and giant eels.
which is the best way to write the underlined portion of this sentence? if the original is the best way, choose option (a).

he is very short, and he can only reach halfway up on the elevator buttons. but on a rainy day, he has his umbrella with him, and he uses it to poke the button at the top.

b. lithosphere, asthenosphere, mesosphere   is the answer most likely