43.---Peter,is there anything else you want to know about C hina?
---Yes,I am still wondering _______.
A.A,when the Dragon Boat Festival starts
B.B,that Chinese people like to eat Zongzi in the Dragon Boat Festival
C.C,who threw himself into the Miluo River
D.D,how did the Dragon Boat Festival start
选项是C
宾语从句要用【陈述语序】.选项A的时态不对.选项B不能用that连接wonder的疑问.