The Most Important Reason Why Economies at an Early Stage

The most important reason why economies at an early stage of development tend to operate inefficiently is that

A) they tend to be dominated by the agricultural sector, where productivity is usually low.
B) they tend to have authoritarian governments that stifle innovation.
C) they tend to be plagued by superstitious beliefs that stifle innovation.
D) they tend not to have specialization of labor.