某工厂原有甲工种的人数是乙工种人数的2倍，由于公司扩大产能，又招聘了甲、乙两个工种的工人，且新招聘的甲工种人数是新招聘的乙工种人数的0.5倍，招聘后工厂中甲工种的人数是乙工种人数的1.5倍，问新招聘的乙工种人数是原乙工种人数的：

A. [img]https://img.shiyebian.net/gwyshijuan/666/34.png[/img]
B. [img]https://img.shiyebian.net/gwyshijuan/666/35.png[/img]
C. [img]https://img.shiyebian.net/gwyshijuan/666/36.png[/img]
D. [img]https://img.shiyebian.net/gwyshijuan/666/37.png[/img]