To which he responded , you did great ! ! That does n't mean that all are mature and will fertilize but are we ever glad that he underestimated ! ! We should find out tomorrow how many were mature and then how many fertilized .

OPT: (a). They find out if their children matures .; (b). None of the above choices .; (c). They find out if their planting was successful .; (d). They find out if their kids matured .;
Q: Why is the narrator appearing so eager ?
(c).