The correct option is C
Vessel
Phloem conducts the soluble organic compounds synthesized during photosynthesis.
Components of phloem:
Companion cells – it controls the activity of the adjacent sieve element and participates in loading and unloading of the sugar into the sieve element
Sieve tubes – these elongated living cells, conveys carbohydrates, chiefly sucrose from leaves to roots and fruits
Phloem fibres – they are commercially useful as they possess great tensile strength
Phloem parenchyma- stores the food & also involves in translocation of food.