For which of the pairs of structures shown will the compound on the left have a shorter C$-$C or C$-$F bond than the structure on the right?

$H_{3}C-C{H}_3,H_{2}C=C{H}_2$

$HC-=CH,H_{2}C=C{H}_2$

$H_{3}C-C{H}_3,H_{3}C-F$

A$.1$ only

B$.2$ only

C$.3$ only

D$.1$ and $2$

E$.1$ and $3$

F$.2$ and $3$

Enter Your Answer:

A

B

c

D

E

F