下列何者屬於體感覺途徑(somatic sensory pathways)？(1)後柱-內蹄徑(posterior column-medial lemniscus pathway)(2)前庭脊髓徑(vestibulospinal tract)(3)紅核脊髓徑(rubrospinal tract)(4)四疊體脊髓徑(tectospinal tract)(A)(1)(B)(2)(C)(3)(D)(4)