The answer is D.
Compound sentence uses one independent clause and one dependent clause. In option D, “after they finished studying” is the dependent clause. “Juan and Maria went to the movies” is the independent clause.
what day last summer did your uncle visit Canada?
True, the speaker in the poem, a farmer, is concerned with loyalty: He is struggling to decide how much loyalty he owes a none-too-reliable former employee who has returned in his absence and whom his wife says is dying
The Peloponnesian War, 431–404 BC, was a decisive struggle in ancient Greece between Athens and Sparta. It ruined Athens. The rivalry between Athens' maritime domain and Sparta's land empire was of long standing
