What type(s) of orbital overlap is(are) used to form the indicated bond in the following structure.
H H
\ /
C --- C O --- H
// \\ |
H --- C C --- C --- H
\ / |
C == C H
/ ↑ \
H H
A. sp3-s
B. sp2-s
C. sp2-sp2 (I chose C but it is incorrect)
D. sp3-sp2
E. sp3-sp3
F. p=p orbitals