weblio辞書の例文 の意味は？

I wouldn't grasp the meaning of the following sentence .
"I would just as soon stay at home as go to the party.". refering to example sentence in the weblio dictionary, the meaning is "A". sophisticated Google translation shows curious translation, "B". I'd like to know that on what ground could the example sentence be translated to the extent far beyond Google translation. please teach me.
A= パーティーに行くよりも家にいたい。
B= 私はパーティーに行くのと同じくらい早く家にとどまります。