​Which of the following is TRUE about firms organized along functional lines?

A) ​In functional organizations workers develop functional expertise
B) Workers find it difficult to share information within their division
C) They inhibit the exploitation of economies of scale
D) ​All of the above

Firms organized along functional lines have departments that are grouped based on their function, such as marketing, finance, and operations. This promotes the development of functional expertise within each department, enabling workers to focus on their specific area of knowledge and skill. Option B is incorrect because functional organizations can facilitate the sharing of information and expertise within departments. Option C is also incorrect because functional organizations can actually enhance economies of scale, especially if they result in the specialization of labor and the centralization of certain functions.