【单选题】
(课文理解Unit4TextA)ThroughoutmychildhoodIputthingsoffIdidnotlearntorideabicycleuntilIwastenandwasstillingmythumbatageelevenIwasalwaysthelastchildintotheschoolbus,goingtoschoolorcominghome.Accordingtotheabovesentence,whichofthefollowingcanbeinferred?
A.
Icouldrideabicycleateightyearsold.
B.
Iwasstillingmythumbatagenine.
C.
Iwasthelastchildintotheschoolbuseverytime.
D.
Ialwayswenttoschoollateandcamebackhomeearly.