1. Pick out the wrong header file about strings. a) <string> b) <regex> c) <ios> d) None of the mentioned Options: A . &nbspno trailing underscores on names B . &nbspcomplex objects are returned by value C . &nbsphave a member-swap() D . &nbspAll of the mentioned

1. Pick out the wrong

Question

1. Pick out the wrong header file about strings.
a) <string>
b) <regex>
c) <ios>
d) None of the mentioned

Options:

A . no trailing underscores on names

B . complex objects are returned by value

C . have a member-swap()

D . All of the mentioned

Answer: Option D

Answer:c
Explanation:The standard header files for string is string and regex. So the wrong one presented

here is ios.

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