"like a sunbeam" - it is used to give deeper meaning and description to what her face looks like in person so the reader can feel as if they are standing in front of her seeing that face.
Ethos, he used emotion and what he personally went through more than actual facts and peolpe backing his story
The answer is both a and b
The repeated use of the "o" sound in "A host, of golden daffodils" is called assonance. The repetition of a vowel is called assonance.
MLA style works by having the opportunity to I don't know