What is the best way to correct this run-on sentence?

some plants are insect eaters and they eat insects because they cannot get
enough nitrogen from the ground.

a) some plants choose to eat insects.
b) insects contain nitrogen that is important to plants.
c) some plants eat insects because they cannot get enough nitrogen from the ground.
d) some plants eat insects because the insects contain nitrogen and this is important for plants to grow.

How do i can change this sentence : a modern physician in a small town not only is proficient in general medicine but surgery as well. to parallel structure?

8. "caged bird" right now, i feel like a bird caged without a key everyone comes to stare at me with so much joy and reverie they don't know how i feel inside through my smile, i cry they don't know what they're doing to me keeping me from flying that's why i say i know why the caged bird sings only joy comes from song she's so rare and beautiful to others why not just set her free? so she can fly, fly, fly spreading her wings and her song let her fly, fly fly for the whole world to see she's like caged bird fly, fly ooh just let her fly just let her fly just let her fly spread the wings spread the beauty what is the allusion found in the poem? question 8 options: a) alicia keys b) i know why the caged bird sings c) spreading her wings and her song d) fly, fly, fly

What is the main reason reverened thomas lane butts finds confort in to kill a mocking bird