(1) every summer, my family and i go on a week’s vacation to lake michigan. (2) when we are there, we stay in a cabin that our cousins own. (3) sometimes they take their vacation the same time we do and stay with us. (4) if the weather is good, we spend our days doing outdoor activities. (5) we play baseball, go hiking, and ride our bikes. (6) the days we swim, however, are the best of all. (7) on a hot day, i love the feel of the cool lake water, and i enjoy watching the gulls fly overhead.

which is the most effective way to invert sentence (6) in order to vary sentence patterns?
a. swimming days are the best of all, however.
b. however, the days we swim are the best of all.
c. best of all, however, are the days we swim.
d. the days, however, we swim are the best of all.