<em>Hi there!</em>
<em>How are you?</em>
<em>Answer:</em>
<em>C. Not readily attainable. </em>
<em>Explanation:</em>
<em>Problem-solving is a Psychology concept that refers to the act of defining a problem, determining its the cause, identifying alternative solutions, and implementing the considered the best. </em>
<em>Have a great day/night!</em>
The following sentence is in active voice.