Choose the correct option by given placentation

(a) P-free central-Dianthus, q- parietal-Tomato, r-Marginal -Bean
(b) P- parietal-Tomato, q- Marginal -sunflower ,r- free central- Bean
(c) P-parietal-Argemone, q- free central- Bean, r- Marginal -sunflower
(d) P-free central-Dianthus, q- parietal-Argemone, r-Marginal –Bean