Which of the following diseases is caused by severe protein deficiency?

Arrange the following nutrient deficiency manifestations in the chronological order of the human life stages they primarily affect (from fetus/infancy to adulthood): A. Bleeding disorders occurring due to naturally low Vitamin K levels at birth B. Fragile bones that break easily in adults (Osteomalacia) C. Compromised fetal development and neural tube defects during pregnancy D. Skeletal deformities such as bowed legs in young children (Rickets) Choose the correct answer from the options given below:

Loose teeth, swollen and bleeding gums, tender joints, and hemorrhages in deep muscles are classic symptoms of: