Before a problem can be solved, it must be obvious ( ) the problem itself is.

(单选题)The company recognizes many users are trying to find the rig (单选题)The health information system is a(n) ( ) effort to colle (单选题)The volume of the food purchased for home consumption fell b (单选题)( ) it didn't raise the debt ceiling and the US suddenly (单选题)The periodic requirement for Congress to ( ) raising the (单选题)Culture may do more than mirror history, ( ) its citizen’ (单选题)More recently wages have begun to go up, but they haven't go (单选题)Currently, scientists depend mainly on cameras in the wild t (单选题)Aspects of Jackson's personal life, including his changing a (单选题)Microfinance businesses operate in many developing countries