Fact: Asthma, a bronchial condition, is much less common ailment than hay fever, an allergic inflammation of the nasal passages.Fact: Over 95 percent of people who have asthma also suffer from hay fever.

If the information given as facts above is true, which of the following must also be true?

• AHay fever is a prerequisite for the development of asthma.  
• BAsthma is a prerequisite for the development of hay fever.  
• CThose who have neither hay fever nor asthma comprise less than 5 percent of the total population.  
• DThe number of people who have both of these ailments is greater than the number of people who have only one of them.  
• EThe percentage of people suffering from hay fever who also have asthma is lower than 95 percent.