What is the likely nature of the products that, if taken before lactose ... ...

What is the likely nature of the products that, if taken before lactose ingestion, will inhibit the symptoms of lactose intolerant individuals?
(A) They are likely antibiotics that kill the bacteria in the intestine so that they cannot metabolize the sugar.
(B) ...
(C) ...
(D) ...
(E) ...

*This question is included in 16. The Digestive, Respiratory, and Urinary Systems: Absorption and Excretion