A. 1 grain = 0.0648 <font color="#ff0000">gram </font><br/><br/>B. 1 pint = 0.57 <font color="#ff0000">litre</font><br/><br/><font color="#ff0000">C. 1 grain = 0.0648 <font color="#ff0000">grams</font></font><br/><br/>D. 1 pint = 0.57 <font color="#ff0000">litres</font><br/><br/>A is quoted from <i>A Basic English Grammar. </i>D is quoted from <i>Webster's New World Dictionary, Student Edition.</i><br/><br/>Are B and C also acceptable?<br/><br/><font color="#ff0000"></font>