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.