请根据所提供的原始单据，按照报关单填制规范的要求，在报关单相对应的选项中，选出最合适的答案。
07XFFG-7801KB
DALIAN CHINA DELIVERY OF CIF DALIAN CHINA OF 3 UNIIS & 6 P’KGS OF
B30S FORKLIFT TRUCK INCLUDING FFT4730MM S/S BATTERY & CHARGER
H.S.CODE: 84271090
DETAILSASPER THE ATTACHED SHEET
MANUFACTURER: CEERLOFS TRUCK B.V.GERMANY
CONTRACT No.: 07XFFFG-7801KR
B30S-2 17951.00 53853.00
FREIGHT CHARGES 2050.00
INSURANCE 1346.00
TOTAL 57249.00
DADAI CORPORATION DADAI CORPORATION
P.O.BOX: 7955 SEOUL, KOREA
TELEPHONE: SIGNED BY________
请根据以上资料，选择以下栏目的正确选项：
“件数”栏应填（）。
A．9
B．12
C．3
D．2
