1.) Demand is a bossy verb( command subjunctive) and should always be followed by a THAT
2.) finance
them is ambiguous - can refer to either opportunities or executives. only option B removes this ambiguity by using "these opportunities" to refer back clearly --> this one leads directly to correct answer
A. As investors are demanding companies to actively manage their business portfolios, executives must increasingly balance investment opportunities against the capital that's available to finance
them -
Wrong - Usage of them is ambiguousB. As investors demand that companies actively manage their business portfolios, executives must increasingly balance investment opportunities against the capital that's available to finance these opportunities -
CorrectC. As investors demand that companies should actively manage their business portfolios, executives must increasingly balance investment opportunities with the capital that's available to finance
it -
Wrong - Usage of it is simply wrongD. Due to the investors demand that companies actively manage their business portfolios, executives must increasingly balance investment opportunities with the capital that's available to finance
them -
Wrong - Usage of them is ambiguousE. Because of investors who are demanding that companies should actively manage their business portfolios, executives must increasingly balance investment opportunities against the capital that's available to finance
them -
Wrong - Usage of them is ambiguous