which is a correctly punctuated compound sentence?\n\na the girl ran across the street and got the mail.\nb…

which is a correctly punctuated compound sentence?\n\na the girl ran across the street and got the mail.\nb the girl ran across the street, and she got the mail.\nc the girl ran across the street because she wanted to get the mail.\nd the girl ran across the street, got the mail, and returned to the house.
Answer
Brief Explanations:
A compound sentence consists of at least two independent clauses joined by a comma and a coordinating conjunction (FANBOYS: for, and, nor, but, or, yet, so).
- Option A is a simple sentence with a compound predicate; it does not require a comma.
- Option B correctly joins two independent clauses ("The girl ran across the street" and "she got the mail") using a comma and the coordinating conjunction "and."
- Option C is a complex sentence using the subordinating conjunction "because."
- Option D is a simple sentence with a series of three verbs (a compound predicate).
Answer:
B. The girl ran across the street, and she got the mail.