题目

It was back in 2014. I learned I needed an operation to remove the tumor (肿瘤). Hearing the word 'cancer' was the first shock, but knowing the surgeon would have to cut the front of my neck open was a lot to swallow. I was relieved to learn that thyroid (甲状腺) cancer can be treated if caught early, but 1 wasn't thrilled it would mean a lifelong scar front and center on my neck.Back at home, I looked at my reflection in the mirror. I admired my neck, running my finger across a delicate gold chain I wore. Then came a tiny voice, 'Mommy!' My then five year -old son. Jack, appeared in the — ____ do you go to the library?— Once a week.A. How often B. How farC. How much D. How long