下面哪个Servlet版本开始支持HTTP 2协议（）A．Servlet 2.5B．Servlet 3.0C．Servlet 3.1D．Servlet 4.0
下面哪个Servlet版本开始支持HTTP 2协议（）
A．Servlet 2.5
B．Servlet 3.0
C．Servlet 3.1
D．Servlet 4.0
参考答案和解析
Servlet 4.0
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