(A) a comprehensive strategy is necessary (B) to

Solution

(ii) as: This starter is appropriate because it provides a reason or explanation for the necessity of a comprehensive strategy. The sentence formed would be: "A comprehensive strategy is necessary to address the growing concerns about data privacy, as technological advancements continue to evolve rapidly." This starter logically connects the need for a strategy with the rapid changes in technology. (iii) instead: This starter is not suitable because it implies a substitution or contrast, which does not fit the context of linking the need for a strategy with technological advancements. (i) but: This starter is not appropriate as it suggests a contrast or opposition, which is not needed here since the statements are complementary and should be logically connected rather than contrasted.