Once upon a time
If it’s antiquated language, fable, or folktale
Answer:
It's correct!
Explanation:
According to Grammarly, the sentence is correct! Have a look:
Answer:
she is one of the doctors that makes house calls.
Explanation:
Based on the given sentence above, I can say that it is a compound sentence. What makes this sentence compound is that, it consists of two independent clauses and are connected by a coordinating conjunction "so". Therefore, the answer for this would be the last option: two independent clauses.