A isn't the only option. B and/or C are also possible.
B and/or C are also options, aside from just A.
There are more options than just A. B and/or C are possibilities, too.
例文一:
Becoming a lawyer isn't the only option. Working for the government or becoming a researcher are also possibilities.
法曹だけじゃなくて、公務員や研究者辺りも選択肢の中に入ってるよ。
例文二:
Working for the government or becoming a researcher are also options, aside from just becoming a lawyer.
法曹だけじゃなくて、公務員や研究者辺りも選択肢の中に入ってるよ。
例文三:
There are more options than just becoming a lawyer. Working for the government or becoming a researcher are possibilities, too.
法曹だけじゃなくて、公務員や研究者辺りも選択肢の中に入ってるよ。
・"and"か"or"か、一つに決めた方が良いです。
・職名の前に"working as ~"・"becoming a ~"があった方が分かりやすくて自然です。