(B).when it comes to A[doing]
1.1291 nwode ova
when it comes to A[doing] は,「(話が)Aに […することに]なると」の意味を表す
(1) Bill is only a beginner when it comes to computers.
「コンピュータの話となるとビルは初心者同然だ。」o1e o1om
btuods uoY
(2) My husband is an expert when it comes to cooking Chinese food. ottog
(印)
y