Which of the Following Are Identified by Your Text as a Strategy

Which of the following are identified by your text as a strategy for managing operating exposure? (i) Selecting low-cost production sites
(ii) Flexible sourcing policy
(iii) Diversification of the market
(iv) Product differentiation and R&D efforts
(v) Financial Hedging

A) (i) ,(iii) ,and (v) only
B) (ii) and (iv) only
C) (i) ,(iv) ,and (v) only
D) all of the options