Read the following sentences and choose correct sentences

$1.$ Dysentery, plague, diphtheria are caused by bacteria

$2.$ Salmonella typhi directly affect the respiratory system

$3.$ Amoebiasis and Ascariasis are caused by contaminated water

$4.$ Internal bleeding, anemia muscular pain are symptoms of elephantiasis

• A

  $2$ and $4$

• B

  $1$ and $3$

• C

  $3$ and $4$

• D

  $1$ and $2$