Answer:
Your answer would be C : Both parents had an allele for pink flower color.
Step-by-step explanation:
When both parents provide the same allele of a gene, the offspring is h o m o z y g o u s for that trait. In this situation, C would be correct because the information states that the plant is h o m o z y g o u s and choice C fits.
I spaced out a word since it was apparently inappropriate.
Also, Option C is correct on Edg.