挑战习题
1/5单选题
难度:

1.



A

B

C

D

不确定

提示1:
PHA+5YWI5bCG5ZCE6Ieq55qE5YiG5q+N5pyJ55CG5YyW77yM5YaN6L+b6KGM5q+U6L6DPC9wPg==
正确答案:Qg==
PHA+PGltZyBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwLzYwLzk5L3JCQUNFMU1tdWRUVDJtWFNBQUFPQmtPZjNQVTY5Ny5wbmciIGRhdGEtY2tlLXNhdmVkLXNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvNjAvOTkvckJBQ0UxTW11ZFRUMm1YU0FBQU9Ca09mM1BVNjk3LnBuZyIgYWx0PSIiIHN0eWxlPSJ3aWR0aDogMzA0cHg7IGhlaWdodDogMTM5cHg7Ij48L3A+