Which of the Following Is a Potential Disadvantage of the Dominance

Which of the following is a potential disadvantage of the dominance of the English language?

A) Native English speakers will be unable to communicate in other countries.
B) Embarrassing translation errors are less likely.
C) An expatriate manager who relies on English but does not know the local language may miss cultural subtleties.
D) More people learning English as a second language puts native English speakers at a disadvantage.