IV. Choose the word (A, B, C or D) that best fits the blanks space in the following passage.

What is coronavirus? The coronavirus is a family of viruses ___(1)___ can cause a range of illnesses in humans including common cold and more severe forms like SARS and MERS which are life-threatening. The recent outbreak of coronavirus is believed to have occurred ___(2)___ a market for illegal wildlife in the central Chinese city of Wuhan.
There are some simple and effective actions everyone can take to protect themselves and their wider community: A simple and effective way ___(3)___ yourself and others from coronavirus is by making sure you wash your hands frequently with soap and water, or a hand sanitizer if you are out and about. It’s particularly ___(4)___ to wash your hands once you get home or arrive at work or before you prepare or eat food. If you are unwell it’s vital that you ___(5)___ your coughs and sneezes in a tissue, or use your arm if needed, throw the tissues away, then wash your hands.
As COVID-19 is now spreading in the community, people with symptoms of coronavirus should self-isolate at home or use ___(6)___ service wisely. Do protect myself and others.