Listed below are four respiratory capacities ($\text{a-d}$) and four jumbled respiratory volumes. Which one is correctly matched?Respiratory capacities: (a) Residual volume, (b) Vital capacity, (c) Inspiratory reserve volume, (d) Inspiratory capacity.Respiratory volumes: $1200\text{mL},2500\text{mL},3500\text{mL},4500\text{mL}$.

1. A
   (a) $4500\text{mL}$, (b) $3500\text{mL}$
2. B
   (b) $2500\text{mL}$, (c) $4500\text{mL}$
3. C
   (c) $1200\text{mL}$, (d) $2500\text{mL}$
4. D
   (d) $3500\text{mL}$, (a) $1200\text{mL}$