Yesterday, I drove to work past the lemon tree. It was, as is usual, covered with fruit.
Which choice most effectively combines the sentences at the underlined portion?"
a) As usual, the lemon tree I passed on my way to work yesterday was covered with fruit.
b) Driving to work yesterday, I noticed the lemon tree, which, as usual, was covered with fruit.
c) The lemon tree, as usual, was covered with fruit on my drive to work yesterday.
d) Passing the lemon tree on my way to work yesterday, I observed that it was, as usual, covered with fruit.