Read this sign and answer the question.
(Taken from http://blog.stocksigns.co.uk)
By reading the sign, we CANNOT infer that
Questão
Escola Naval - EN
2016
VER HISTÓRICO DE RESPOSTAS
4000001779
A
the place where the sign is offers risks.
B
it is permitted to work before you enter.
C
you need permission to enter the place.
D
only authorized people can work there.
E
it is a limited or restricted place.