What Is the Symbol for the Fatty Acid Shown in the Figure

What is the symbol for the fatty acid shown in the figure?

A) 17:2 $\Delta$ ^{8, 11}
B) 17:2 $\Delta$ ^{8, 10}
C) 18:2 $\Delta$ ^{9, 11}
D) 18:2 $\Delta$ ^{9, 12}
E) 19:2 $\Delta$ ^{10, 13}