Concept:
Food preservation methods include drying, freezing, brining and fermentation. Each method is suitable for specific food products.
Step 1: Match Drying.
Dates are commonly preserved by drying.
\[
A\rightarrow I
\]
Step 2: Match Freezing.
Peas are commonly preserved by freezing.
\[
B\rightarrow II
\]
Step 3: Match Brining.
Gherkins are commonly preserved in brine.
\[
C\rightarrow IV
\]
Step 4: Match Fermentation.
Grape wine is produced by fermentation.
\[
D\rightarrow III
\]
Therefore:
\[
A-I,\ B-II,\ C-IV,\ D-III
\]
\[
\therefore \text{Correct Answer is (C)}
\]