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//以下程序的运行结果是【1】_____。#include int main(){struct student{int num; int age;};struct student stu[3] = { { 1001,20 },{ 1002,19 },{ 1003,21 } };struct student p;p = stu;printf("%d,%d,%d,%d\n", (p)->num, (++p)->age, (p).num, (*p).age);return 0;}

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当经营杠杆系数和财务杠杆系数都为1.5时,则总杠杆系数为3。 ( )

A. 对
B. 错