How many category items will the following ImpEx create?

$prodCat=electronicsProductCatalog
$version=Staged
$catVersion=catalogVersion(catalog(id[default=$prodCat]),version[default=$version])

INSERT_UPDATE Category;code[unique=true];$catVersion[unique=true]
;test_category;electronicsProductCatalog
;test_category;apparelProductCatalog:$version
;test_category;:Online
;test_category;

A. 2

B. 3

C. 1

D. 4