It can be inferred from the passage that which of the following plant species would be LEAST likely to experience a decrease in fecundity as a result of the spraying of a pesticide not directly toxic to plants? ______
A.
A flowering tree pollinated by only a few insect species.
B.
A kind of insect-pollinated vine producing few flowers.
C.
A wind-pollinated flowering tree that is short-lived.
D.
A flowering shrub pollinated by a large number of insect species.