Question

an elephants trunk is sort of like a long nose. but an elephant can do a lot more with its nose than a person can.
elephants use their trunks to smell things. they can smell things better than humans can.
elephants also use their trunks to eat. most often, they eat grass. they pull the grass up with their trunks.
elephants also use their trunks to drink. they dip their trunk into the water. then they suck the water up.
elephants also use their trunks to make a warning call. they warn other elephants of danger. if a lion is near, an elephant will make a warning call. this tells other elephants know about the lion.
an elephants trunk is sort of like a long nose. but it can do some
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the author wrote this passage mostly to say
a what elephants eat and drink
b how elephants use their trunks
c how well elephants are able to smell
d when elephants make a warning call

Explanation:

To determine the author's main purpose, we analyze the passage. The passage describes multiple uses of an elephant's trunk: smelling, eating, drinking, and making warning calls. Option A focuses only on eating/drinking (partial). Option C focuses only on smelling (partial). Option D focuses only on warning calls (partial). Option B, "how elephants use their trunks," encompasses all these uses, matching the passage's content.

Answer:

B. how elephants use their trunks