Male managers often believe that women are not interested in overseas jobs or will not be effective in them for all the following reasons except:

A) fear of international travel
B) presumed heightened risk of sexual harassment
C) gender prejudices in many countries
D) dual career issues

The correct answer is A) fear of international travel because the other options (B, C, D) are common reasons male managers might believe women are not interested in or effective in overseas jobs, due to societal and structural biases. Fear of international travel is not specifically related to gender and does not fit the context of why male managers might underestimate women's interest or effectiveness in overseas positions.