单项选择题

A client with chronic obstructive pulmonary disease (COPD) and cor pulmonale is being prepared for discharge. The nurse should provide which instructions

A."Weigh yourself daily and report a loss of 1 lb in 1 day. "
B."Eat a high-sodium diet. "
C."Weigh yourself daily and report a gain of 2 lb in 1 day. "
D."Maintain bedrest. "