D. Because you never write a letter and not put the comma some where else
Answer:
I think its just a preference.
Explanation:
"terms observed" is really just a more formal form of english.
The sentence that shows an example of an allusion is as follows:
"Therefore, all of her classmates were astonished by her Rapunzel-like transformation".
An allusion is a literary technique in which a reference is made to a person, place or thing which happened in the past. In this case, the allusion is towards, Rapunzel, a princess with very long, flowing hair.
