如果要创建一个开放认证的安全模板，以下正确的配置是（） 。

单选题 (2 分) 2分
A.
AC-WLAN-view] security-profile name security-1 id 1
[AC-WLAN-sec-prof-security-1] open authentication-method open-system
[AC-WLAN-sec-prof-security-1] security-policy open
[AC-WLAN-sec-prof-security-1] quit
B.
AC-WLAN-view] security-profile name security-1 id 1
[AC-WLAN-sec-prof-security-1] wep authentication-method open-system
[AC-WLAN-sec-prof-security-1] security-policy wep
[AC-WLAN-sec-prof-security-1] quit
C.
AC-WLAN-view] security-profile name security-1 id 1
[AC-WLAN-sec-prof-security-1] wpa authentication-method open-system
[AC-WLAN-sec-prof-security-1] security-policy wpa
[AC-WLAN-sec-prof-security-1] quit
D.
AC-WLAN-view] security-profile name security-1 id 1
[AC-WLAN-sec-prof-security-1] wpa2 authentication-method open-system
[AC-WLAN-sec-prof-security-1] security-policy wpa2
[AC-WLAN-sec-prof-security-1] quit