Item 20 in this catalogue is withdrawn until further notice, due to supply problems.
A.Item 20 is now discontinued B.Item 20 has developed a fault. C.Item 20 is unavailable at the moment.正确答案C
Item 20 in this catalogue is withdrawn until further notice, due to supply problems.
A.Item 20 is now discontinued B.Item 20 has developed a fault. C.Item 20 is unavailable at the moment.正确答案C