运行程序后，不能在txt文件中输出以下内容的Python程序是？ （ ）姓名：性别：
A:with open("t.txt","w+") as t1: t1.write("姓名：n性别：")
B:a='姓名：n性别：' with open("t.txt","w") as t1: t1.write(a)
C:with open("t.txt","w") as t1: t1.write("姓名：") t1.write("性别：")
D:with open("t.txt","w") as t1: t1.write("姓名：") t1.write("n性别：")
正确答案：A
试卷来源：202603 青少年软件编程等级考试Python六级真题