baitu/radiology/experts, please advise

TSC查询, 一月后收到移民局答复，

The processing of your petition/application has been delayed. All petitions/applications received by this Service are required to have routine security checks that are resulting in delays of the adjudication of petitions/applications. We can give no definite indication of when they will be completed.

该咋办？写信给议员？劳拉？