All of the Following Statements Are True EXCEPT

All of the following statements are true EXCEPT:

A) The camshaft on I-head engines is located either in the cylinder head or in the cylinder block.
B) The cam-in-block engine, called a pushrod engine, is the more popular type of valve operating arrangement for inline engines.
C) OHC engines are popular for high-speed operation because they have fewer parts with less total weight than pushrod engines.
D) Belt-driven OHC engines have become commonplace in today's engines.