土壤中三大类群微生物以数量多少排序为 ( )

A、<span style="FONT-FAMILY: 宋体; FONT-SIZE: 14px">细菌</span><span style="FONT-FAMILY: &#39;Times New Roman&#39;; FONT-SIZE: 14px">></span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 14px">放线菌</span><span style="FONT-FAMILY: &#39;Times New Roman&#39;; FONT-SIZE: 14px">></span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 14px">真菌</span>

B、<span style="FONT-FAMILY: 宋体; FONT-SIZE: 14px">细菌</span><span style="FONT-FAMILY: &#39;Times New Roman&#39;; FONT-SIZE: 14px">></span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 14px">真菌</span><span style="FONT-FAMILY: &#39;Times New Roman&#39;; FONT-SIZE: 14px">></span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 14px">放线菌</span>

C、<span style="FONT-FAMILY: 宋体; FONT-SIZE: 14px">放线菌</span><span style="FONT-FAMILY: &#39;Times New Roman&#39;; FONT-SIZE: 14px">></span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 14px">真菌</span><span style="FONT-FAMILY: &#39;Times New Roman&#39;; FONT-SIZE: 14px">></span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 14px">细菌</span>

D、<span style="FONT-FAMILY: 宋体; FONT-SIZE: 14px">真菌</span><span style="FONT-FAMILY: &#39;Times New Roman&#39;; FONT-SIZE: 14px">></span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 14px">细菌</span><span style="FONT-FAMILY: &#39;Times New Roman&#39;; FONT-SIZE: 14px">></span><span style="FONT-FAMILY: 宋体; FONT-SIZE: 14px">放线菌</span>