Means searching out and analyzing data from multiple sources across the enterprise, and increasingly from outside sources as well, to identify patterns and relationships that might be significant.

Big data analytics means searching out and analyzing data from multiple sources across the enterprise, and increasingly from outside sources as well, to identify patterns and relationships that might be significant.

Explanation:

Data analysis is an effective tool in the hands of the companies as it helps them to make the right business decisions at the right time. One of the methods of data analysis is big data analytics.  

This process examines large and wide variety of data sets and identifies hidden correlations and patterns, customer preferences and market trends. It offers many benefits for the businesses which includes finding new opportunities for revenue, better and effective marketing, improvement in operational efficiency, etc.

i'd have to with d.

explanation:

sounds good to me mate!