attheageof14hewenttohisuncle'sfarm,wherehehadlessonsonbotanyAself-taughBself-techingCbeingself-taughDhavingself-taugh答案为B为什莫考的是甚么知识点

Question

at the ageof 14 he went to his uncle's farm,where he had lessons on botany A self-taughB self-techingC being self-taughD having self-taugh答案为B为什莫考的是甚么知识点

Answer 1

self-teaching 是自学的意思,因为是自学,所以要用主动语态,而不是被动语态.
A self-taught C being self-taught D having self-taught 都是被动语态