The given bar chart represents the average marks obtained in English (E) and vernacular (V) by the students of five districts (D1, D2, D3, D4, D5)in a state at the secondary level examination of a particular year (marks secured out of a total of 100).

What is the average percentage of marks in English of the five districts?

A

67%

B

75%

C

73%

D

68%