If Glucose and Lactose Are Both Abundant,would It Be Beneficial

If glucose and lactose are both abundant,would it be beneficial for E.coli cells to express the genes that metabolize lactose? Why or why not?

A) Yes,because bacteria require both glucose and lactose.
B) Yes,because it is easier for bacteria to metabolize lactose than glucose.
C) Yes,because three proteins are required for the uptake and metabolism of lactose.
D) No,because lactose metabolism requires an inducer.
E) No,because lactose is broken down into glucose,which is already abundant.