Select the option that represents the organisms in ascending order of their $DNA$ length.

• A
  Human $\rightarrow$ $E. coli$ $\rightarrow$ $\phi \times 174$
• B
  $E. coli$ $\rightarrow$ $\phi \times 174$ $\rightarrow$ Human
• C
  Human $\rightarrow$ $\phi \times 174$ $\rightarrow$ $E. coli$
• D
  $\phi \times 174$ $\rightarrow$ $E. coli$ $\rightarrow$ Human