用PubMed的主题词检索心血管疾病(CardiovascularDiseases)微量元素(traceelements)代谢的有关文献，应采用的检索式为（）

A."CardiovascularDiseases/metabolism"[Mesh]AND"TraceElements/metabolism"[Mesh]

B.(("CardiovascularDiseases/blood"[Mesh]OR"CardiovascularDiseases/cerebrospinalfluid"[Mesh]OR"CardiovascularDiseases/metabolism"[Mesh]OR"CardiovascularDiseases/urine"[Mesh]))AND("TraceElements/blood"[Mesh]OR"TraceElements/cerebrospinalfluid"[Mesh]OR"TraceElements/deficiency"[Mesh]OR"TraceElements/metabolism"[Mesh]

C.(("CardiovascularDiseases/blood"[Mesh]OR"CardiovascularDiseases/cerebrospinalfluid"[Mesh]OR"CardiovascularDiseases/enzymology"[Mesh]OR"CardiovascularDiseases/metabolism"[Mesh]OR"CardiovascularDiseases/urine"[Mesh]))AND("TraceElements/blood"[Mesh]OR"TraceElements/cerebrospinalfluid"[Mesh]OR"TraceElements/deficiency"[Mesh]OR"TraceElements/metabolism"[Mesh]OR"TraceElements/pharmacokinetics"[Mesh]OR"TraceElements/urine"[Mesh])

D."CardiovascularDiseases"[Mesh]AND"TraceElements"[Mesh])

E.(("CardiovascularDiseases/blood"[Mesh]OR"CardiovascularDiseases/cerebrospinalfluid"[Mesh]OR"CardiovascularDiseases/enzymology"[Mesh]OR"CardiovascularDiseases/metabolism"[Mesh]OR"CardiovascularDiseases/urine"[Mesh]))AND("TraceElements/blood"[Mesh]OR"TraceElements/cerebrospinalfluid"[Mesh]OR"TraceElements/metabolism"[Mesh]OR"TraceElements/pharmacokinetics"[Mesh]OR"TraceElements/urine"[Mesh])

正确答案：C