. Which list shows the numbers in descending order?

a
-19/2, -3 1/4, -1.2, 38/6, 7

b
7, 38/6, -19/2, -3 1/4, -1.2

c
-19/2, 7, 38/6, -3 1/4, -1.2

d
7, 38/6, -1.2, -3 1/4, -19/2