下列何者不受交感神經調控？(1)眼球的睫狀肌(ciliary muscle of eyeball)(2)腎上腺髓質部(adrenal medulla)(3)豎毛肌(arrector pili)(4)虹彩的環狀肌(circular muscle of iris)(A)(1)(B)(2)(C)(3)(D)(4)