In the United States, coins have the following thicknesses: penny, 1.55 \mathrm{~mm}; nickel, 1.95 \mathrm{~mm}; dime, 1.35 \mathrm{~mm}; quarter, 1.75 \mathrm{~mm}. If a stack of these coins is exactly 14 \mathrm{~mm} high, how many coins are in the stack?
Answer Choices
A. 7
B. 8
C. 9
D. 10
E. 11