​What​ ​is​ ​the​ ​structure​ ​of​ ​the​ ​following​ ​sentence?
​ ​​ ​​ ​​ ​"Ned​ ​fed​ ​his​ ​dog."
A. a​ ​simple​ ​sentence
B. a​ ​compound​ ​sentence
C. a​ ​complex​ ​sentence