What Conclusions Can You Draw from the Following Data, Obtained

Multiple Choice

What conclusions can you draw from the following data, obtained on a 67-year-old, 76-kg man admitted for pulmonary complications arising from silicosis? $\begin{array}{|l|l|l|l|l|l|l|l|}\hline& \text { ACTUAL } & \text { PRED } & \% \text { PRED } && \text { ACTUAL } & \text { PRED } & \% \text { PRED } \\\hline \text { TLC } & 4.34 & 7.73 & 56 \% & \text { FVC } & 2.86 & 4.74 & 60 \% \\\hline \text { FRC } & 1.73 & 4.36 & 40 \% & \% \text { FEV }_{1} & 96 \% & 83 \% & \\\hline \text { RV } & 1.45 & 2.63 & 55 \% & \text { FEF }_{200-1200} & 6.89 & 6.71 & 103 \% \\\hline \text { VC } & 2.89 & 4.74 & 61 \% & \text { FEF }_{25 \%-75 \%} \% & 2.78 & 2.88 & 96 \% \\\hline\end{array}$

A) Results indicate generalized airway obstruction.
B) Results indicate normal pulmonary function.
C) Results indicate a combined disease process.
D) Results indicate a restrictive lung disorder.