Which of the following is an arithmetic sequence?
A
negative 7 over 11 comma 6 over 11 comma negative 5 over 11 comma 4 over 11 comma dot dot dotB
negative 3 fourths comma negative 3 fifths comma negative 3 sixths comma negative 3 sevenths comma dot dot dotC
3 fourths comma negative 3 halves comma 3 comma negative 6 comma dot dot dotD
1 half comma 2 comma 7 halves comma 5 comma dot dot dot