In it (the communications diary) they noted the number of conversations or email exchanges they had lasting more than 10 minutes, and confessed to how may lies they told.
主干：they noted the number..., and confessed to how...
主句用了兩個并列的謂語動詞：noted 和confessed。or連接兩個名詞conversations和email exchanges構成并列結構，后面有定語從句they had和現在分詞短語lasting more then 10 minutes修飾。
譯文：在交流日記中，他們把長達10分鐘以上的談話或者電子郵件交流的次數記錄下來，并且承認了他們說謊的次數。
