In ethic devotion, a teacher should be warm-hearted___________ kind, well-prepared and disciplined.

A、hardworking,

B、<span style="font-size: 9px; font-stretch: normal; font-family: &#39;Times New Roman&#39;;">&nbsp;</span><span style="font-size: 18.018px;">enthusiastic</span>

C、<span style="font-size: 9px; font-stretch: normal; font-family: &#39;Times New Roman&#39;;">&nbsp; &nbsp;</span><span style="font-size: 18.018px;">caring</span>