The cylinder block is the largest part of the engine. It has cylinder in which the pistons operate and bearings which carry the crankshaft. In some engines, the cylinder block also carries the camshaft. The cylinders and pistons are in the upper part of the cylinder block and the crankshaft is in the lower part. This lower part is called the crankcase. It has webs which carry the crankshaft main bearing. According to the paragraph, which statement is true? A. The lower part of the engine is called the crankcase. B. The upper part of the engine is called the crankcase. C. The upper part of the engine is called the piston.