Answer :
Answer:
The first one, its has 'but' a conjunction in it/
I managed to complete the task, but I missed the deadline.
Explanation:
The compound sentence from the list given in the question is B: That is
"My brother, who has always played baseball, earned a sports scholarship to college.
What is a Compound sentence?
A compound sentence is a sentence that comprises of one or more dependent clauses and an independent clause. Or, two independent clauses in each case joined by a comma and a coordinating conjunction.
The dependent clause is: "who has always played baseball", while the independent clause is "My brother earned a sports scholarship to college."
See the link below for more about Compound Sentences:
https://brainly.com/question/13779006