Which of the sentence is NOT correctly punctuated？（）

Which of the sentence is NOT correctly punctuated？（）
A.Since we moved into town， our fuel bill has tripleD.B.Having chosen nursing as a career Susan enrolled in many science courses.
C.Usually， I have time to eat breakfast.
D.From outside the twelve-mile fishing limits off the coast of Maine， a strange phenomenon has been reporteD.
正确答案：From outside the twelve-mile fishing limits off the coast of Maine， a strange phenomenon has been reported.