In molecule, the hybridization of carbon $1,2,3$ and 4 respectively are:

$\mathrm{sp}^{2}, \mathrm{sp}, \mathrm{sp}^{2}, \mathrm{sp}^{3}$

$\mathrm{sp}^{2}, \mathrm{sp}^{2}, \mathrm{sp}^{2}, \mathrm{sp}^{3}$

$\mathrm{sp}^{2}, \mathrm{sp}^{3}, \mathrm{sp}^{2}, \mathrm{sp}^{3}$

$\mathrm{sp}^{3}, \mathrm{sp}, \mathrm{sp}^{3}, \mathrm{sp}^{3}$