下列关于结构体初始化的写法，正确的是（ ）。

struct Point { int x, y; };

Point p = (1,2);

struct Point { int x, y; };

Point p = {1,2};

struct Point { int x, y; };

Point p = new Point(1,2);

struct Point { int x, y; };

Point p = <1,2>;