Question

Read the following sentence to find out whether there is any grammatical mistake/error or idiomatic error in it. The error, if any, will be in one part of the sentence. Mark the number of that part with error as your answer. If there is no error, mark 'No error'. (Ignore errors of punctuation, if any)

A With 75 billion Internet of Things (IoT) devices
B expected to be in place by 2025, the world
C is for the cusp of experiencing a technology that
D will change the way we live today.
E No error
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