Which of the Following Might Be the Best Use of Genetic

Multiple Choice

Which of the following might be the best use of genetic engineering for counteracting the negative effects of salinization?

A) Salt absorbing insects could be developed and set loose in regions of highly saline water resources.
B) Sodium chloride could be engineered to be more soluble in water.
C) Plants could be given a gene that turns them blue when they have absorbed too much salt.
D) Genes from a salt-tolerant plant could be inserted into a desired crop plant.