The correct option is
D All of the above
Garlic is a perennial plant and belongs to Amaryllidaceae family.
It has many medicinal properties, such as:- Boosts the immune system.
- Prevents common cold and other respiratory troubles such as bronchitis, whooping cough.
- Reduces blood pressure.
- Improves cholesterol levels, thus lowering the risk of heart disorders.
- It contains antioxidants, therefore reduces oxidative stress and also reduces the risk of brain diseases like Alzheimer's disease and dementia.
- So, the correct answer is 'All of the above'.