Which type of cell is capable of self-renewal? a stem cell b blood cell c muscle cell d neuron

Hi,mate
your answer is stem cell.
Stem cell is an unspecialized cell which can self-renew itself.

All stem cells—regardless of their source—have three general properties: they are capable of dividing and renewing themselves for long periods; they are unspecialized; and they can give rise to specialized cell types. Stem cells are capable of dividing and renewing themselves for long periods.