A complex sentence contains a subordinate clause ( or a sentence starting with a conjuction) So the answer is B.<span>.After Maria finished dinner, she washed the dishes in the sink. Because of the subordinate clause ( Afer Maria finished dinner ) The others are simple sentences. ( A.simple sentence and C-D are compound sentences)</span>
And idea or meaning that is unclear.
( hope this helps! <3 )
Practical goes with el and captain goes in en