Which of the Following Cannot Be Considered to Be a Shortcoming

Which of the following cannot be considered to be a shortcoming of foreign investment?

A) if foreign investment simply substitutes for domestic investment, GDP may not increase
B) foreign subsidiaries may be subject to legislation passed in a foreign country
C) foreign branch plants operating in Canada may not be large enough to achieve the efficiencies associated with mass production
D) the presence of foreign firms in Canada may increase competition in the marketplace