In the design of centre crankshaft at the TDC position, the engine is placed in which position?

In the design of centre crankshaft at the TDC position, the engine is

1.	In the design of centre crankshaft at the TDC position, the engine is placed in which position?
A.	Vertical
B.	Horizontal
C.	Parallel
D.	Perpendicular
Answer» B. Horizontal