Read the sample paragraph. Why the Titanic struck an iceberg has never been made perfectly clear. The ship was moving extremely quickly through waters known to be icy and dangerous at the time, and the crew may have been confused as to the position of the ice fields.  News reports suggest that foggy weather may also have been a factor. What is the implied main point of this paragraph?
A.
The crew of the Titanic failed to communicate problems.
B.
There were several possible reasons that the Titanic’s crew failed to navigate around the iceberg.
C.
The Titanic was not designed to sail in icy waters.
D.
The crew of the Titanic saw the iceberg but made no effort to avoid it.