小明足部受伤发炎,医生在其臀部注射抗生素,药物到达足部的途径

小明足部受伤发炎,医生在其臀部注射抗生素,药物到达足部的途径是(  

①左心房  ②右心房  ③右心室  ④主动脉  ⑤肺动脉  ⑥肺静脉  ⑦上腔静脉  ⑧下腔静脉  ⑨下肢动脉  ⑩左心室

A.①③④⑥②⑦⑧⑨⑩                B.⑧②③⑤⑥①⑩④⑨

C.⑦②③⑤⑥①⑩④⑧                D.⑨②③⑥⑤①⑩④⑧

答案

B

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