题目内容：

______ read such an interesting book.
A.Seldom have I B.Seldom I have
C.Seldom did I have D.Seldom I has

优质解答

A
seldom是否定意义副词,应该要部分倒装,故have要放在I之前,又因为I与have连用非与has(三单才用) 连用,故答案为A.