[单选题]
3. What are essential p5tq /mo e0kesr6i2q8l dwegdf/j om7b,yy.55 5rb m a/roperties of stem cells?
A. They are specialised and can divide by meiosis.
B. They are specialised can divide by mitosis.
C. They can divide by mitosis and differentiate.
D. They can divide by meiosis and differentiate.