Assertion $(A)$: Linnaeus is known as the father of taxonomy.
Reason $(R)$: Linnaeus developed the binomial nomenclature system for the scientific naming of organisms.
Which option is correct for Assertion $(A)$ and Reason $(R)$?

• A
  $A$ and $R$ are true and $R$ is the correct explanation of $A$.
• B
  $A$ and $R$ are true but $R$ is not the correct explanation of $A$.
• C
  $A$ is true and $R$ is false.
• D
  $A$ is false and $R$ is true.