Complete analogous pair - Salve : Ointment : : Sauterne : ?

B. WINE

Complete analogous pair - Heart : Pericardium : : Brain : ?

D. CRANIUM

In the following question, a matrix of certain characters is given. These characters follow a certain trend, row-wise or column-wise. Find out this trend and choose the missing character accordingly.
7 4 5
8 7 6
3 3 ?
29 19 31

C. 5

Complete analogous pair - Nightingale : Warble : : Frog : ?

B. CROAK

Complete analogous pair - Cobbler : Leather : : Carpenter : ?

B. WOOD