In a scissors cross-over, the crossings provided arei) 2 obtuse angle crossingsii) 4 obtuse angle crossingsiii) 4 acute angle crossingsiv) 6 acute angle crossingsThe correct answer is

• A. (i) and (iii)
• B. (i)and(iv)
• C. (ii) and (iii)
• D. (ii) and (iv)