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.
3 6 8
5 8 4
4 7 ?

A. 6

Complete analogous pair - Fruits : Basket : : Fishes : ?

A. RIP

Choose analogous pair - Curtain : Drapery

A. COCKROACH : INSECT

Choose analogous pair - Coin : Mint

C. WINE : BREWERY

Choose analogous pair - Sheep : Mutton

C. DEER : VENISON