Rank the relative strengths of their c-o, c=o, h-c and o-h bonds from strongest to least strongest.
a. h-c > o-h > c-o > c=o
b. c-o > c=o > h-c > o-h
c. c=o > h-c > o-h > c-o
d. c=o > o-h > h-c > c-o