Answer:
D) the central nervous system , muscle , the lining of the digestive tube
Explanation:
Ectoderm refers to the outermost layer of the tissue. It contains the epidermis, nerve cells etc
Mesoderm is the layer in between the ectoderm and the endoderm. It contains connective tissues such as the muscle, tendon etc.
Endoderm is the innermost layer of cells such as the stomach lining, liver cells etc.
