The witnesses only answered the question in front of them. Sen. Cotton only asked about ZTE, Huawei, China Telecom, and China Unicom, so Director Wray responded

The witnesses only answered the question in front of them. Sen. Cotton only asked about ZTE, Huawei, China Telecom, and China Unicom, so Director Wray responded only about ZTE and Huawei. This is standard practice when testifying in front of an oversight committee.