How did Harriet get very sick watching James Cook's musk-rat traps? A musk-rat bit her.
The sight of the hurt musk-rat made her sick.
She caught her leg in one.
She waded through water to check the traps when she was ill with measles.

Interest groups representing businesses and investors are often among the most successful lobbying groups for all of the following reasons, except a. such groups have the financial resources to mount sustained campaigns on their own behalf b. these groups' members contribute heavily to many legislators' campaigns and in so doing gain greater access to legislators c. these groups have often been in existence for decades, allowing them to both master the legislative system and develop close ties with legislators d. the members of these groups make up the majority of voters in many districts