For younger children, a dictation to test spelling is marked by progressively deducting points for every error, which can crush the grade down to zero, or even into negative territory.Q: The underlined sentence is an __________.
A. appositive clause (同位语从句)
B. attributive clause (定语从句 )
C. object clause (宾语从句)
D. adverbial clause (状语从句)