Read the text.

Heart disease and stroke are the world’s biggest killers. Millions of

people in Britain take cholesterol-lowering drugs to reduce their risk.

Now scientists from the Netherlands Organisation of Applied Scientific

Research believe they may have found an alternative treatment. It’s

a vaccine that helps the body’s immune system get rid of bad

cholesterol from the blood. The first human trials are now under way,

but researchers say it will take six years before they know if the jab

is safe and effective enough to get regulatory approval.

1) De acordo com o texto:

a) Doenças do coração e derrames são os maiores assassinos do

mundo.

b) Milhões de pessoas no mundo sofrem de doenças do coração.

c) Apenas os derrames são os maiores assassinos do mundo.

d) Apenas as doenças do coração são os maiores assassinos do

mundo.​