11. Read the sentence:

"While we understand that it would be impossible to ban billboards in our town altogether, we believe you should at least take the stance of the community on this important issue into consideration in the city council meeting next month and set a limit on the number and types of billboards allowed in residential neighborhoods."

Which part of the sentence is a subordinate clause?

A. ... on this important issue into consideration in the city council meeting...
B. While we understand that it would be impossible...
C. ...to ban billboards in our town altogether...
D. ...believe you should at least take the stance of the community...