Question

review the details below.

• frequently hand washing with warm water and soap is the best way to get rid of germs and prevent illnesses.
• used sponges and rags should be replaced regularly to avoid spreading harmful bacteria.
• moderate exercise boosts the immune system and can reduce the risk of colds by a third.

choose the best topic sentence to introduce a paragraph containing these details.
simple steps can reduce the likelihood of spreading or catching an infectious illness.
the best way to prevent illnesses is to maintain a healthy immune system.
it is possible to reduce the risk of colds and flus by washing your hands and working out several times a week.

Explanation:

The details include hand - washing (a simple step), replacing sponges (a simple step), and moderate exercise (a simple step) all related to preventing the spread or catching of illness. The first option "Simple steps can reduce the likelihood of spreading or catching an infectious illness" encompasses all these details. The second option only focuses on the immune system (from the exercise part). The third option only mentions two of the details (hand - washing and exercise) and leaves out replacing sponges.

Answer:

Simple steps can reduce the likelihood of spreading or catching an infectious illness.