The correct option is
B Hyposecretion of GH during childhood
Dwarfism is the retarded physical development due to hyposecretion of growth hormone from the anterior lobe of pituitary gland during the period of skeletal growth.
Hypersecretion of growth hormone during adult stage causes acromegaly and absence of insulin causes diabetes mellitus.
So, the correct answer is 'Hyposecretion of GH during childhood'.