Which laboratory test results would the nurse expect to find in a client diagnosed with Hashimoto's thyroiditis

A．Thyroxine (T₄), 22μg/dL; triiodothyronine (T₃), 320ng/dL; thyroid-stimulating hormone (TSH) undetectable.

B．T₄, 22μg/dL; T₃, 200ng/dL; TSH,0.1μIU/mL.

C．T₄, 2μg/dL; T₃, 200ng/dL; TSH,5.9μIU/mL.

D．T₄, 2μg/dL; T₃, 35ng/dL; TSH,45μIU/mL.

什么叫测回？