Cambridge University-led research has successfully _________ washable, stretchable and breathable electronic circuits into fabric. The textile electronic devices are based on low-cost, _________ printing of inks based on graphene, a 2D form of carbon. The fabrics developed are ___________ to wear and can survive up to 20 cycles in a typical washing machine, said researchers.

• A. incorporated sustainable comfortable
• B. segregated, high value, tight
• C. insulated, quality, easy
• D. prevented, valuable, hard
• E. created, sustained, large