I think it is C. cross-site scripting
Currency is the correct answer
Well knowing how the government is with security id go with A. as it makes a lot of sense unlike B and D and if they were looking for software the question would mention it
Answer: Keep Personal Information Professional and Limited.
Keep Your Privacy Settings On.
Practice Safe Browsing.
Make Sure Your Internet Connection is Secure.
Be Careful What You Download.
Choose Strong Passwords.
Explanation:that’s what is think
Asyncronous is the answer I think