题目

根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。 After Steve Jobs died，his friend Larry Ellison said something like this，There will never be another Steve Jobs. Larry wrote this list of Steve's life lessons to remind us all.Love what you do. Surely Steve became a billionaire when he brought Apple back. Apple was his calling— even after he got fired from the company. We all have bad jobs at one point in our lives. But the question is: am I in the right job? Have I found the right company? Life doesn't go on foreve函数f（x）=1，x∈[-2，2]的奇偶性是（　　）A．奇函数B．偶函数C．既奇又偶函数D．非奇非偶函数