The correct option is
A Vesicular Arbuscular Mycorrhizae
VAM stands for Vesicular Arbuscular Mycorrhizae.
It is formed by the symbiotic association between fungi and angiosperm roots. The vesicular is a fungus that penetrates the roots of a vascular plant in order to help them to capture nutrients from the soil.
So, the correct answer is option 'Vesicular Arbuscular Mycorrhizae'.