What phrases from the passage helps understand the meaning of the word appendage A) have a remarkable safety device
B) Grabs a limb or claw
C) Sheds its soft shell
D) Grows larger and larger

I think it is either B. or C. im not 100% sure

Explanation:

well for some you have to do on your own on a paper but yeah

the pronoun reference replaces a noun, but you have to make sure there's no room for confusion.

in the first sentence "her" could be referring to shely or to the sister. the answer there is "shelly called her sister and told her about the new baby."

in the second sentence "it" could be referring to the roof or the floor. the answer there is "since the roof leaks on the family room floor, we need to repair the roof."