Which word is the antecedent of the underlined pronoun?

the jellyfish propelled its body by filling with seawater and then pumping it back out.

a. jellyfish
b. seawater
c. body
d. pumping
it is underlined.

Which statement state a claim? check all that apply. (1) the driver education programs are often to sophomore’s at local high schools. (2) students should have a vision test before they can operate motor vehicles. (3) driving classes should i head instruction about the dangers of texting and driving. (4) mr. graber is the behind-the-wheel instructor at our high school. (5) behind-the-wheel courses ought to include driving time on local highways.