To choose the pairs which shows a direct proportion:
As we know,
Two quantities are said to be directly proportional if their ratio is constant.
Consider option B, we have
[tex]\begin{gathered} \text{First quantity: }\frac{4}{3} \\ Simplified\text{ }Second\text{ quantity:}\frac{4}{3} \end{gathered}[/tex]
Since the ratio is constant.
Hence, the correct answer is B.
