The correct option is D epidermis & connective tissue
An extracellular sheet of protein that surrounds the tissue and provides them the structural support is called the basement membrane. It is derived from the epidermis and the underlying connective tissue.
Endoderm is the innermost layer of the embryonic germ layers.
Myosin is a contractile protein in the muscles.
Animals having thick skin are known as pachyderms. Mammals such as elephants, rhinoceros, hippopotamus, pig, etc. are examples for pachyderms.