30、为什么不选D，D过于片面且过度引申，只有倒数第二段提到，且不是“谎言”，而是“部分真话”
It is a wise father that knows his own child, but today a man can boost his paternal (fatherly) wisdom – or at least confirm that he’s the kid’s dad.
is shell out $30 for a paternity testing kit
became available without prescriptions
Among the most popular: paternity and kinship testing
family can use to track down kids put up for adoption
DNA testing is also the latest rage among passionate genealogists——and supports businesses that offer to search for a family's geographic roots.
rage n.暴怒，愤怒，暴力行为v.发怒，激烈进行，迅速蔓延，快速扩散
swab n.医用棉签，用棉签对人体样本的采集v.用棉签擦拭，擦洗
Databases used by some companies don't rely on data collected systematically but rather lump together information from different research projects.
lump n.肿块，隆起，笨重的人v.把……归并在一起
It is a wise father that knows his own child, but today a man can boost his paternal (fatherly) wisdom—— or at least comfirm that he's the kid's dad.
特征：中心词被形容词修饰，被强调部分用不定冠词修饰
例子：It is a good horse that never stumbles.再好的马也总会被绊倒。人无完人金无足赤。
It is a good man that never blunders.智者千虑，必有一失。（blunder v.失误）
翻译：再聪明的父亲也未必认识自己的孩子，但今天男人能够提升自己的父性智慧——或至少确认他是孩子的爸爸。
DNA testing is also the latest rage among passionate genealogists—— and supports businesses that offer to search for a family's geographic roots.
翻译：DNA鉴定在狂热的家谱学家中称为最新流行，同时也支持那些寻求家族地理根源的企业。
Critics also argue that commercial genetic testing is only as good as the reference collections to which a sample is compared.
翻译：批评者认为商业基因测试只和他们的样本所比对的参照集一样好。
修正：批评者还认为，商业化的基因鉴定的有效性仅依赖于用来与样本做比对的参照信息的收集。
总结：此处as...good...as引申为有效性依赖于