Considering that Lactobacilli are commonly found in the human gut and dairy products, why do they generally cause fewer infections compared to other more pathogenic bacteria?

• A. Lactobacilli produce beneficial compounds that inhibit the growth of pathogens.
• B. Lactobacilli cannot survive outside dairy products.
• C. They are not recognized by the human immune system.
• D. Lactobacilli are actually more harmful than other bacteria.