TV is so often a parent's good Mend, keeping kids happily occupied so the grownups can cook dinner, answer the phone, or take a shower. But【C1】______that electronic babysitter is not an educational【C2】______According to a recent research, babies who watch TV are more likely to have【C3】______cognitive development and language at 14 months,【C4】______if they're watching programs【C5】______for adults and older children. It's surprising that TV-watching made a【C6】______at such a tender age. This new study【C7】______259 lower-income families in New York, most of whom spoke Spanish as their【C8】______language at home. Other studies examining higher-income families have come to the【C9】______conclusion: TV watching not only isn't educational, but it seems to【C10】______babies' development. Babies who watched 60 minutes of TV daily had developmental【C11】______one-third lower at 14 months than babies who weren't watching that much TV. The【C12】______may be due to the fact that when kids and parents are watching TV, they're【C13】______talking, playing, and interactions that are【C14】______to learning and development. But what about "【C15】______" TV, like Sesame Street? The researchers didn't find any pluses or minuses when【C16】______to non-educational programs designed for small children, like Sponge-Bob SquarePants.【C17】______research by some of the same scientists has found that parents whose children watch non-educational TV programs like SpongeBob SquarePants spend【C18】______time reading to their children or teaching them. The latest study of educational TV programs like Sesame Street adds more【C19】______to a recommendation from the American Academy of Pediatrics that babies under age【C20】______watch no TV at all.
【答案解析】解析：根据短语pluses or minuses“增减，利弊，好坏”可以推测出此处要填一个表示比较的动词，根据语法分析可知，这句话when后省略了主谓语成分it was或者they were，由于compare．．．to…结构中compare为及物动词，所以此处要采用其过去分词形式compared，所以选C项。