Which of the following is the prime factorisation of 140?

• A. \[\text{2  }\!\!\times\!\!\text{  2  }\!\!\times\!\!\text{  7}\]       
• B. \[\text{2  }\!\!\times\!\!\text{  2  }\!\!\times\!\!\text{  5}\]
• C. \[\text{2 }\!\!\times\!\!\text{ 2 }\!\!\times\!\!\text{ 5 }\!\!\times\!\!\text{ 7}\]               
• D. \[\text{2 }\!\!\times\!\!\text{ 2 }\!\!\times\!\!\text{ 5 }\!\!\times\!\!\text{ 7 }\!\!\times\!\!\text{ 3}\]