Regarding the detection function of Huawei sandbox, what is wrong is ()?

Regarding the detection function of Huawei sandbox, what is wrong is ()?
A . FireHunter supports cloud reputation detection. By querying the file reputation with Huawei Security Center (sec.huawei.com), you can obtain
More timely file threat information
B After anti-virus filtering is enabled, if the virus file is detected by the anti-virus engine, it is directly determined to be a malicious file.
Follow-up testing
C In all cases, all sample files will enter the virtual execution environment for detection.
D After the reputation filtering is enabled, if the malicious file in the reputation is met, it is directly determined to be a malicious file, and no subsequent inspection is performed.
Measurement.

Answer: C