语法 null 条件运算符交错数组

Syntax null conditional operator jagged array

空条件运算符在交错数组中的正确语法是怎样的?

int[][][] array = new int[5][][];
// fill with data here
bool result = array[0]?.[3]?.[2] ?? == 3;

该参考文献未提供任何相关信息

https://docs.microsoft.com/en-us/dotnet/csharp/language-reference/operators/null-conditional-operators

bool result = array?[0]?[3]?[2] == 3;