The correct answer is (C). Although the author does respond to what might be one undesired result of voucher privatization—falling stock prices, as well as explain the cause of falling stock prices—the author does not offer an “alternative” explanation for this phenomenon, as suggested by choice (C). Moreover, the author’s purpose in discussing falling stock prices is not to explain their cause, but rather to acknowledge that what appears to be an undesirable consequence of voucher privatization may actually help bring about a desirable result. 40. The correct answer is (A). The passage indicates that developers have curtailed construction.