Context: This passage describes the pod shape trait in pea plants:

In a group of pea plants, some individuals have inflated pods and others have constricted pods. In this group, the gene for the pod shape trait has two alleles. The allele D is for inflated pods, and the allele d is for constricted pods.
A certain pea plant from this group has constricted pods. This plant has two alleles for constricted pods.
Based on this information, what is this pea plant's phenotype for the pod shape trait?
A. constricted pods
B. dd
Identify the correct choice from the options below and respond with the letter of the correct option.

A