The correct option is D Capsicum-Malvaceae
Capsicum or bell peppers is a genus of flowering plants in the nightshade family, Solanaceae.
Indigofera belongs to Fabaceae or Leguminosae.
The genus Helianthus belongs to the family Asteraceae.
The botanical name of Aloe vera is Aloe, which belongs to Asphodelaceae (Liliaceae) family.